Sea Floor Spreading Lab Answers

(The rate at which new oceanic lithosphere is added to each tectonic plate on either side of a mid-ocean ridge is the spreading half-rate and is equal to half of the spreading rate). University to propose in 1960 the “Sea -Floor. Key to Wegener’s Puzzling Evidence – Fossils: The continents are surrounded by the continental shelf (stippled pattern), which extends beyond the continent until there is a large change in slope. Grade 10-12 Question: A question about continental drift: Has India turned slightly in relation to Australia or am I just imagining it? Answer. LAB 15 Sea Floor Spreading - Ms. (Useful conversion factors: 1 km = 1000 meters and 1 m = 100 cm) 5. What scientists found was that new seafloor has continually been forming over millions of years at the mid-ocean ridges. Answers vary depending upon the strip of ocean students choose. Terrigenous sediment is derived from land and usually deposited on the continental shelf, continental rise, and abyssal plain. Jessica Henze 28,275 views. The oldest sections should be the sections on both sides furthest from the middle 4. Macris and Ms. In the Science Computer Lab (ES-9) there is an interactive CD-ROM about plate tectonics called "The Theory of Plate Tectonics. This process of seafloor spreading has been measured, and the current rate of movement of the continents ranges from 1. The continents may either be carried along by the adjacent sea floor, or the spreading sea floor may under-thrust a relatively immovable continent. What is the purpose of the investigation? 2. Seafloor spreading is happening at B. Sea Floor Spreading. The purpose of this lab is to have you utilize the age and positions of rock formations associated with the Mid Atlantic Ridge to support the hypothesis of sea floor spreading. Favorite Answer 2. Finish “Sea Floor Spreading Outline” if not completed in class. As the seafloor grows wider, the continents on opposite sides of the ridge move away from each other. Take a few minutes to explore the Earth with Google Earth. Determine the rate of seafloor spreading for the South Atlantic Ocean basin in centimeters per year. Using temporal and spatial data obtained from core samples, students create and analyze a graph,. Answer the following questions using your model of sea-floor spreading. South Atlantic. Have students work in groups of four. When taught in series, the lessons proceed in much the same way that scientists discovered seafloor spreading and plate tectonics. Seafloor spreading is the movement of magma through a crack in a mid-oceanic ridge. Molten rock from a magma. Grade 4-6 Question: Why isn't Rodinia called Pangea anymore? Answer. He also found out that the temperature near to the mid-Atlantic ridge was warmer than the surface away from it. Introduction: Where two tectonic plates diverge new sea floor is created. (Useful conversion factors: 1 km = 1000 meters and 1 m = 100 cm) 5. A continental margin is just the submerged edge of a continent but an ocean basin represents the floor of the ocean itself. Record your answers in the Concepts of Science lab Topography of the continents and sea-floor of part of the Earth spreading ridge over a hot spot. Answers vary depending upon the strip of ocean students choose. Magnetization of the Sea Floor and Seafloor Spreading Subduction The Mid-Atlantic Ridge and East Pacific Rise are examples of midocean ridges. Oceanic crust is eventually destroyed in subduction zones. ADI Lab Link #2. Sea-Floor Spreading Understanding Main Ideas Use the figure below to answer the questions that follow. LAB 4-3: SEA-FLOOR SPREADING INTRODUCTION: Sea-floor spreading is the hypothesis that the sea floor moves sideways away from the crest of a mid-ocean ridge. Although this process takes place constantly, it is difficult to observe directly. Seafloor Spreading Lab Answer Key | Review Home Co. Seafloor Spreading Background About 30 years ago, scientists discovered that there are both age and magnetic patterns in the seafloor. What Olympic event is being studied in the video? 2. Find seafloor spreading lesson plans and teaching resources. Check off Ch. Between transform faults, seafloor spreading and rifting is well established in several basins. This choice is left up to the teacher depending on the reasoning skills of the students. Review and Reinforce: Sea-Floor Spreading 5-5 The Theory of Plate Tectonics a. 17-2 Sea Floor Spreading */ Th-Fri Sea Floor. United Streaming- Bill Nye clip on seafloor spreading Readings: Concepts and Challenges- 6. Students read about the 1906 San Francisco earthquake and study the relationship of this event to the transform-fault boundary along the west coast of California. and answer the analysis questions that follow. Use the words seafloor spreading, magma, trenches, new material, older material, mid ocean ridge,. Label Seafloor Spreading (Plate Divergence) Label the growth of new oceanic crust as two plates diverge. Macris and Ms. What is a spreading center and what is made at one? 4. The Sun is far off in space to the left. Modeling Sea Floor Spreading Lab (pdf or google doc) Sea Floor Spreading Article (pdf or google doc) Pangea Puzzle Playdough Plate Tectonics Activity (pdf or google doc) Layers of the Earth & Plate Tectonics Homework Packet - collected February 12th, 2013 Guided Reading: Layers of the Earth (pdf or google doc) Guided Reading: Continental Drift. North Pacific (3900 km/50,000,000 yr) x (1000m/km)x(100 cm/m) = 7. (Useful conversion factors: 1 km = 1000 meters and 1 m = 100 cm) 5. Lab: Modeling Sea-Floor Spreading _____ 5. A combination of the seafloor spreading theory and the continental drift theory. In the process of seafloor spreading, molten rock rises from within the Earth and adds new seafloor (oceanic crust) to the edges of the old. • Seafloor spreading proposed that rising magma was forming new oceanic crust along the oceanic ridges and that old crust was destroyed at oceanic trenches. Seafloor Spreading Lab ANSWER KEY for UVMS Wednesday, January 22, 2014. (Class & Chapters 1, 8, 9 & 10) 5. Showing top 8 worksheets in the category - Seafloor. Nov 24, 2015 - If your teaching Seafloor Spreading, this is an EASY and FUN lab to do with your students!! This lab is a great way to get students actively engaged in hands-on, cooperative learning! After following the EASY step-by-step instructions, students answer questions (analyze & conclude worksheet at. By about 300 million years ago, a unique community of plants had evolved known as the European. 4 September 2007 MAR 110 Lab 3: Ex 1-3 - PT 8 Plate Configuration: The Earth’s crustal lithospheric layer is composed of 12 major plates as illustrated in the Figure 3-7. A Model of Seafloor Spreading KEY 1. Describe the process of the seafloor spreading. Because in the Scholar Worksheet about 90% of the contents of the complete book are issues, equally multiple decision and answer questions that aren’t available. and a sheet of colored paper, students will be able to manipulate a model that will allow them to visualize, label, and describe the evidence of Hess's theory of sea-floor spreading which include evidence from molten material, magnetic stripes and drilling samples. Through sampling, they look at millions of years of history of sea-floor spreading, plate tectonics, and oceanic circulation and climates. 1 Sea-Floor Spreading and Plate Tectonics. a line on a seafloor map that connects points of equal age: B) a point on a seafloor map that has a magnetic reversal: C) a line on a seafloor map that connects points of equal elevation: D) a line on a seafloor map that marks a mid-ocean ridge: 4: An expedition brings up a piece of rock from the Gauss normal epoch. Certain minerals in the magma (e. In (NH4)3PO4 there is one P atom, 4 oxygen atoms, 3 N atoms and 12. HELLO regents Earth Science class! It's VICI! Here are some answers to the lab I found!. Your geomorphological sketch map, annotated to show features described in your observational paragraph. Pics of : Sea Floor Spreading Lab Worksheet Answers. As the seafloor grows wider, the continents on opposite sides of the ridge move away from each other. plate boundaries, sea floor age, volcano locations, and earthquake locations. If you miss this lab you need to create a journal page with ALL of the vocabulary terms with their definitions and a example or picture for each word. Study Guides: 110 SEM study guide 120 SEM study guide Directions: Watch each of the following videos and answer the questions on your study guide. The Ring of Fire is the seismically active area on the margins of the Pacific Ocean. Sea floor spreading occurs at the mid-ocean ridge where two plates are moving away from each other. Identify the following features: (a) a continental shelf, (b) a continental slope, (c) a spreading ridge, (d) a subduction zone with a deep trench, (e) an abyssal plain, and (f) some isolated seamounts. Sea Floor Spreading Worksheet Answer Key Pearson Education. In this lab you will use ENVI to explore relationships between three co-registered global datasets. Yet, two inherent limitations of seafloor. 1 workbook - review answers */ M Metric Measuring Lab Make-ups on -Safety Quiz & Week 2 verbals Ch. Wall map of the World. Sea-Floor Spreading – a theory developed by Harry Hess that new sea floor is created at mid-ocean ridges and that, in the process, the continents are pushed apart from each other. Procedures:. They also examine volcanic processes, mantle circulation, hydrothermal circulation, magma genesis, and crustal formation. Lab: Fossil correlation (#3) Lab Report # 2 due (10 pts) 11 Plate Tectonics-development of concept, including continental drift (Ch. By about 300 million years ago, a unique community of plants had evolved known as the European. Sea Floor Spreading Model Objective : Build a model of the ocean floor to explore the movements of the plates and look at the evidence that suggests the movements the model demonstrates. Seafloor Spreading Lab ANSWER KEY for UVMS; About thesupercoolcast; Quizstar FIIT ANSWERS! New The troll who lives under the bridge; Nico's Native Fish; Thesupercoolcast; TheSuperCoolCast; Red Efts; Pics of the troll; Troll Moviez!. 1) What feature of the ocean floor does the center slit represent? 2) What prominent feature of the ocean floor is missing from the model at this point? 3) What do the side slits represent? 4) What does the space under the paper. With the lab’s reputation on the line, Heezen ordered her to redo the map. Draw stripes across one sheet of paper, parallel to the short sides of the paper. Merely said, the Seafloor Spreading Rates Lab Answer Key is. Floating lab drills 1. The S waves arrive after the P waves. For the North Pacific, in which time interval was the spreading rate a. Sea-floor spreading The movement of plates caused by convection currents causes both constructive and destructive forces beneath the ocean floor. pdf] - Read File Online - Report Abuse. , lines of equal sea floor age. Why is the oldest oceanic lithosphere only 200 million years old, while the oldest continental lithosphere is 4 billion years old? 6. 0 Points The scientific community rejected the theory of plate tectonics because Alfred Wegener could NOT A. a line on a seafloor map that connects points of equal age: B) a point on a seafloor map that has a magnetic reversal: C) a line on a seafloor map that connects points of equal elevation: D) a line on a seafloor map that marks a mid-ocean ridge: 4: An expedition brings up a piece of rock from the Gauss normal epoch. The answers to questions on this Lab worksheet for questions 6-17 only will match choices in the multiple-choice questions in Canvas. Navy wanted to learn more about the oceans to gain fighting. Seaflor Spreading - Displaying top 8 worksheets found for this concept. Best scores so far. Sea floor spreading project answer key lab 4 seafloor spreading paleomagnetism and seafloor spreading 3 7 determin chegg com seafloor spreading grade 9 free printable tests and worksheets. The marker stripes in this lab represent the new rock forming during sea floor spreading, where the newest rock are closer to the mid-ocean ridge, and the oldest rock are further away from the mid-ocean ridge. ,The processes of subduction and sea-floor spreading can change the size and shape of the oceans. In 1967, McKenzie and Parker suggested the theory of plate tectonics. WITH ANSWERS How is the mid. Seafloor Spreading Lab ANSWER KEY for UVMS Wednesday, January 22, 2014. Seafloor Spreading Background About 30 years ago, scientists discovered that there are both age and magnetic patterns in the seafloor. Tectonic activity occurs at the three types of plate boundaries and at hotspots. Displaying all worksheets related to - Sea Floor Spreading. Questions 1-5 of this Lab are. (when the red triangle flips up or down) Draw the ruler on the ocean floor on your paper. examine sea floor spreading. According to the theory of plate tectonics, the earth’s lithosphere is broken into distinct plates which are. 17-2 Sea Floor Spreading */ Th-Fri Sea Floor. Relate the magnetic field reversals in the model to magnetic field reversals in the planet. Continental crust is not subducted and destroyed, so very old continental rocks have survived. 9 inches) per year. Some of the worksheets displayed are Sea floor spreading work, 5 4 ovr l lesson 3 seafloor profiling, Name date sea floor spreading l 1 2 3, Plate boundary work, Magnetic reversals activity, G4 u8 l2 lesson 2 into the deep, Lab work plate tectonics, Inside earth work. LESSON 8: Epicenter Lab (1/2)LESSON 9: Epicenter Lab (2/2)LESSON 10: Earthquake & Volcano MappingLESSON 11: Earthquake HazardsLESSON 12: Crustal Movement & Hotspots LabLESSON 13: Plate BoundariesLESSON 14: Sea Floor Spreading (Day 1/2)LESSON 15: Sea Floor Spreading (Day 2/2)LESSON 16: Convection & Plate Movement. The purpose of this lab is to have you utilize the age and positions of rock formations associated with the Mid Atlantic Ridge to support the hypothesis of sea floor spreading. Nov 24, 2015 - If your teaching Seafloor Spreading, this is an EASY and FUN lab to do with your students!! This lab is a great way to get students actively engaged in hands-on, cooperative learning! After following the EASY step-by-step instructions, students answer questions (analyze & conclude worksheet at. Nov 24, 2015 - If your teaching Seafloor Spreading, this is an EASY and FUN lab to do with your students!! This lab is a great way to get students actively engaged in hands-on, cooperative learning! After following the EASY step-by-step instructions, students answer questions (analyze & conclude worksheet at. But modern oceanography really took off less than 60 years ago, during World War II, when the U. I'm guessing that the older magnetic stripes are furthest away from the ridge axes because sea-floor spreading is pushing them away. Complete "Strawberry DNA" Lab Report. They are utilized, to several degree, in most studies, or have wide-spread use in the math program of study where there are two main types. Students will model core sampling, identify patterns in data on the age of the ocean floor, use magnetic data to model seafloor spreading, and explore the density of oceanic and continental crust. Seafloor spreading was proposed by an American geophysicist, Harry H. Explain and. Study Guides: 110 SEM study guide 120 SEM study guide Directions: Watch each of the following videos and answer the questions on your study guide. Explain your answer. Scientists agree that continents rest on rocks called tectonic plates, which shift and move. You may answer these questions in the space below. In 1967, McKenzie and Parker suggested the theory of plate tectonics. seafloor spreading. Explain the origin of the following features in the context of plate tectonics: Iceland, the Andes mountains, the San Andreas Fault, Hawaii, and the Appalachian Mountains. In the Science Computer Lab (ES-9) there is an interactive CD-ROM about plate tectonics called "The Theory of Plate Tectonics. transform fault 10. In a follow-up activity (Sea Floor Spreading II), students compare actual data from Topex satellite measurements to the model predictions of how sea floor spreading rates influence ocean topography. Magnetization of the Sea Floor and Seafloor Spreading Subduction The Mid-Atlantic Ridge and East Pacific Rise are examples of midocean ridges. New York Science Grade 7 Chapter 6: Plate Tectonics. In (NH4)3PO4 there is one P atom, 4 oxygen atoms, 3 N atoms and 12. In the Gizmo, the pane on the left shows the position of the Earth and Moon. Describe the process shown occurring at B, and explain what results from this. Homework: there is a new homework assignment about Euler poles due on Friday next week. The farther one moves away from the plate boundary; the older are the seafloor rocks. deep-sea trenches C. Virgin Islands—a SCTLD hot spot. Thursday, February 1, 2018. Favorite Answer 2. 5 billion years ago. About every 300,000 years, the Earth's magnetic field reverses, although there are times in Earth's history when this span is much longer or shorter. Name the major lithospheric plates c. A continental margin is just the submerged edge of a continent but an ocean basin represents the floor of the ocean itself. ridge push and slab pull c. Title: Sea-Floor Spreading Lab Author: Michael Wing Created Date: 1/12/2010 6:01:27 PM. Seafloor Spreading. Describe the process shown occurring at B, and explain what results from this. North Pacific (3900 km/50,000,000 yr) x (1000m/km)x(100 cm/m) = 7. In a lecture hour you worked through a thought experiment and showed that for a block of material extending beneath the seafloor cools by vertical conduction, it will take four. Record your answers in the Concepts of Science lab Topography of the continents and sea-floor of part of the Earth spreading ridge over a hot spot. and answer the analysis questions that follow. • Expand the Dynamic_Earth files by clicking on the plus signs. What happens along a transform. Lab Seafloor Spreading Rates Answers Sea Floor Spreading Project Answer Key Lab 4 -> Source : worksheets for this concept are Lab work plate tectonics, Continental drift sea floor spreading and Magnetic reversals activity, Plate tectonics, Glencoe middle school science, , Problem and solution work 1st grade, Plate tectonics evidence for. 1st Quarter 11 12 regarding Sea Floor Spreading Worksheet Answer from Sea Floor Spreading Worksheet, source:mluther. The Pop-Up Channel Recommended for you. LAYER C- BASIC UNDERSTANDING- Choose a total of 75 pts from the assignments below. He also found out that the temperature near to the mid-Atlantic ridge was warmer than the surface away from it. Answer Sheet For Seafloor Spreading With Lab Answer Sheet For Seafloor Spreading Yeah, reviewing a ebook Answer Sheet For Seafloor Spreading With Lab could go to your near friends listings. Click the right arrow four times to see how the plates move. Read the instructions, click through and read the animations, answer the questions After that…read information in the continental drift and plate tectonics section. General Instructions for Module 2 Lab. 2: Sea-floor spreading and magnetic anomalies. Record 10 points: 5 points for model and 5 points for successfully. WITH ANSWERS How is the mid. Plate Tectonics 2. ) ago did sea floor spreading begin in the Elrond Sea? Spreading Began- 4. Compare the model of the seafloor to the actual sea floor, and identify the pattern. Station 1 – Constructing a paper spreading seafloor model : 1. Using temporal and spatial data obtained from core samples, students create and analyze a graph,. Read the instructions, click through and read the animations, answer the questions After that…read information in the continental drift and plate tectonics section. Seafloor Spreading PT Overview-ppt Plate Tectonics- from USGS : Stories Rocks Tell lab and answer sheet. Exercise 18. Spreading rate is the rate at which an ocean basin widens due to seafloor spreading. How is seafloor spreading different from continental drift? _____ Wednesday, January 21 Homework #20 1. The resulting map of the sea floor will have a distinctive magnetic signature (Fig. Sea-Floor Spreading Understanding Main Ideas Use the figure below to answer the questions that follow. They will also model sea floor spreading at a spreading center such as the Mid-Atlantic Ridge. Check off Ch. When taught in series, the lessons proceed in much the same way that scientists discovered seafloor spreading and plate tectonics. Seafloor spreading is the creation of new seafloor or new oceanic crust 5. A Model of Seafloor Spreading KEY 1. How Test Prep Plans work. Nov 24, 2015 - If your teaching Seafloor Spreading, this is an EASY and FUN lab to do with your students!! This lab is a great way to get students actively engaged in hands-on, cooperative learning! After following the EASY step-by-step instructions, students answer questions (analyze & conclude worksheet at. deep-sea trenches C. Show your model to someone and explain the things listed under pupil outcomes. Some of the worksheets for this concept are Sea floor spreading work, Inside earth work, Magnetic reversals activity, A model of seafloor spreading, Lab work plate tectonics, Name block date, Sea floor spreading, Continental drift sea floor spreading and plate tectonics. Displaying all worksheets related to - Sea Floor Spreading. Most basalt magmas contain abundant molten iron. Your answer should demonstrate that the observed changes in the sediment type over time were part of a coherent story related to plausible earth processes, e. Seafloor Spreading Model Worksheet Answers Ngss Hub 2019 12 14 The Shape Of Ocean Basins And Bathymetry Sea Floor Sea Floor Spreading Lab Ocean Floor. For the North Atlantic Ocean (using the map in the lab) Measure the distance between the center of the spreading center (red) and the border between dark yellow and light green (65 Ma point) I measured 2 cm ; Since the scale on the map is 1 cm = 475 km, calculate the real distance that the plate has moved over the past 65 Ma. Name: Graphing Seafloor Spreading Lab Objective: Using ocean. Describe the theory of plate tectonics b. Hess was so uncertain of these ideas. Glencoe/McGraw-Hill. Whats people lookup in this blog: Sea Floor Spreading Worksheet Answers Key. This is one of the proofs that sea floor spreading has occurred. Seafloor Spreading 1) Magma is pushed up through the ridges in the seafloor to form new oceanic crust. If magnetic reversals are recorded in the seafloor, what kind of. In 1967, McKenzie and Parker suggested the theory of plate tectonics. Objective: Be able to identify the interior layers of the earth and the characteristics of each. If the spreading segments are the treads, the transforms are the risers that connect them. Although oceanic crust has been forming on Earth for over 4 billion years, all of the sea floor older than about 200 million years has been recycled by plate tectonics. Name one spreading center (or divergent plate boundary). Name: _____ Modeling Sea-Floor Spreading Lab Activity Problem How does sea-floor spreading add material to the ocean floor? Materials Scissors metric ruler 2 sheets of paper colored marker Procedure 1. ) ago did sea floor spreading begin in the Elrond Sea? Spreading Began- 4. Because of these processes, the ocean floor is renewed about every 200 million years. The red colors are the youngest parts of the seafloor, where fresh new crust is formed as lava seeps up from the deep interior of the Earth at spreading ridges. A sample would be:“Searching the Internet for information for a history project is a way of using infor-mation technology. Explain what a convergent boundary is. BBBBBBB: In general, what happens when a subscript is found outside of parentheses? It acts like the Distributive property of math. The older rock is close to 400 million years. ) the Theory of Plate Tectonics:. Explain the concept and observation of magnetic stripes on the seafloor across mid-ocean ridges. The mid-ocean ridges, which are characterized by unusually high heat flow along their crests, are the largest topographic features on the surface of the Earth. Seafloor Spreading Activity. Scientists found that the seams formed mountain ranges like those on land, but on the ocean floor. ‪Energy Skate Park: Basics‬ 1. The evidence for sea-floor spreading came with the discovery that oceanic crust is youngest near the ridge and becomes becomes progressively older away from the spreading center. The Subsidence of the Ocean Basins You can write your answers on this paper and turn them in with the 4 plots you will make Question 1. Favorite Answer 2. His grandfather, Erasmus, was an early student of evolution and his half-cousin, Francis Galton, was a famous statistician. The newly-formed crust pushes the older crust apart causing the sea-floor to spread. LAYER C- BASIC UNDERSTANDING- Choose a total of 75 pts from the assignments below. 17) After You Read (p. Sea Floor Spreading Answer Key. 7) Lab: Taxonomy and classification (#4) Lab Report #3 due (10 pts. In 1967, McKenzie and Parker suggested the theory of plate tectonics. Evidence mounts Bathymetric mapping of sea floor [PPT: shaded relief] o Previously, very little known about what was there o Mountain ranges in ocean basins. How would you describe the motion of plates in a divergent boundary? they separated from eachother 2. 1) What feature of the ocean floor does the center slit represent? 2) What prominent feature of the ocean floor is missing from the model at this point? 3) What do the side slits represent? 4) What does the space under the paper. What scientists found was that new seafloor has continually been forming over millions of years at the mid-ocean ridges. Seafloor spreading is the creation of new seafloor or new oceanic crust 5. #TpT #TeachersPayTeachers #LLLab #geology #middleschool #highschool #education #assessment #continentaldrift #layersoftheearth #earthslayers. Activity 2 – Sea Floor Spreading Focus Question: How does the age of the ocean floor provide evidence for seafloor spreading? Scientists have been able to establish the ages of areas of rocks on the ocean bottom. Hershkowitz's site then click the appropriate chapter. Some of the worksheets for this concept are Sea floor spreading work, Inside earth work, Name date sea floor spreading l 1 2 3, A model of seafloor spreading, Sea floor spreading, Sea floor spreading, Modeling sea floor spreading, Chapter 8 plate tectonics. Title: Sea-Floor Spreading Lab Author: Michael Wing Created Date: 1/12/2010 6:01:27 PM. As each new later emerges, the prior layer is pushed away from the ridge. Using the magnetic anomaly pattern in the Elrond sea, determine the 1/2-spreading rate on the Hobbit Ridge (Le, determine how fast the Frode continent is moving away from the Hobbit ridge Give your answer in mm/y. Students underlined the topic sentences of each paragraph and we discussed why they were incorrect. lab_whats_up_with_the_weather_8ils_version. oceanic ridges D. Seafloor Spreading Lab Answer Key | Review Home Co. It is further contoured by strong currents along the continental rise. hot, less-dense material below Earth’s crust is forced upward toward the surface. 5 billion years ago. com Sea floor spreading lab seafloor spreading model name date block sea floor spreading project answer key lab 4 an expedition to the seafloor answer key. ) ago did sea floor spreading begin in the Elrond Sea? Spreading Began- 4. Seafloor Spreading This diagram provides evidence of seafloor spreading by showing the ages of ocean floor in the Atlantic and eastern Pacific Oceans. Determine the spreading rate in centimeters per year for the two areas shown in Figure 2. Sea-Floor Spreading During World War II, geologists employed by the military carried out studies of the sea floor, a part of the Earth that had received little scientific study. The Pop-Up Channel Recommended for you. Worksheets are Sea floor spreading work, Name date sea floor spreading l 1 2 3, Continental drift sea floor spreading and plate tectonics, A model of seafloor spreading, Sea floor spreading, Seafloor spreading and subduction, Magnetic reversals activity, Inside earth work. Problem How does sea-floor spreading add material to the ocean floor? Materials scissors metric ruler. Use the words seafloor spreading, magma, trenches, new material, older material, mid ocean ridge,. Describe the process of the seafloor spreading. Sea Floor Spreading. Favorite Answer 2. 2 notes (and any other chapter 4 work) Chapter 4 Test Monday Chapter 4 Study Questions 1. With the lab’s reputation on the line, Heezen ordered her to redo the map. Relate the magnetic field reversals in the model to magnetic field reversals in the planet. Jessica Henze 28,275 views. Determine the spreading rate in centimeters per year for the two areas shown in Figure 2. Tectonic activity occurs at the three types of plate boundaries and at hotspots. A) Subduction is a geological process in which the edge of a lithospheric plate slides _____ the edge of an adjacent plate. 2 SEA-FLOOR SPREADING 161 CHAPTER 8: PLATE TECTONICS 8. Lab Safety Form Name: Date: Lab type (circle one) : Launch Lab, MiniLab, GeoLab Lab Title: Read carefully the entire lab and then answer the following questions. Fossil Correlation lab and answer sheet. docx from MTH MISC at Northern Virginia Community College. Name one spreading center (or divergent plate boundary). Plate Tectonics: Seafloor Spreading At divergent zoneson the ocean floor, plates are moving away from each other. What type of convergent boundary is the Himalaya Mountains formed by? 8. HELLO regents Earth Science class! It's VICI! Here are some answers to the lab I found!. Worksheets are Sea floor spreading work, Name date sea floor spreading l 1 2 3, Continental drift sea floor spreading and plate tectonics, A model of seafloor spreading, Sea floor spreading, Seafloor spreading and subduction, Magnetic reversals activity, Inside earth work. Some of the worksheets for this concept are Sea floor spreading work, Inside earth work, A model of seafloor spreading, Sea floor spreading, Name date sea floor spreading l 1 2 3, Continental drift sea floor spreading and plate tectonics, Lab work plate tectonics, Magnetic reversals activity. Determine the spreading rate in centimeters per year for the two areas shown in Figure 2. ANSWER KEY Section 1 Before You Read (p. Sea Floor Spreading. Engage: Greatest Discoveries – Seafloor Spreading Video Explore: Making a Model of Sea Floor Spreading – With their table partners students will create and working model of sea floor spreading looking at how the ocean floor is created and then and later subducts. net Sea floor spreading project answer key lab 4 sea floor spreading lab sea floor spreading project answer key lab 4 seafloor spreading. We also went over each question and how it should be answered. Colored pencils map of the tectonic plates. #TpT #TeachersPayTeachers #LLLab #geology #middleschool #highschool #education #assessment #continentaldrift #layersoftheearth #earthslayers. lab_whats_up_with_the_weather_8ils_version. (Class & Chapters 1, 8, 9 & 10) 5. The oldest sections should be the sections on both sides furthest from the middle 4. The Pop-Up Channel Recommended for you. LESSON 8: Epicenter Lab (1/2)LESSON 9: Epicenter Lab (2/2)LESSON 10: Earthquake & Volcano MappingLESSON 11: Earthquake HazardsLESSON 12: Crustal Movement & Hotspots LabLESSON 13: Plate BoundariesLESSON 14: Sea Floor Spreading (Day 1/2)LESSON 15: Sea Floor Spreading (Day 2/2)LESSON 16: Convection & Plate Movement. They proposed seafloor spreading, which says that the seafloor emerges at the mid-ocean ridges, and, like a giant conveyor belt, moves to the sides and goes back into the Earth. What does Wegener’s hypothesis of continental drift say? 2. Sea floor spreading lab. Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid-ocean ridge. Objective: Be able to identify the interior layers of the earth and the characteristics of each. 5km below sea floor to study megaquakes. The seafloor spreading brought up basalt volcanic, it thus resulted in more HREE enrichmental basalt composition in sediments on the location of site 1148. Students underlined the topic sentences of each paragraph and we discussed why they were incorrect. ,The processes of subduction and sea-floor spreading can change the size and shape of the oceans. To learn more about these forces, click the buttons below and answer the questions that apply to sea-floor spreading. Subject: Image Created Date: 2/18/2013 3:15:53 PM. Based on this correlation, how many million years (my. Evidence mounts Bathymetric mapping of sea floor [PPT: shaded relief] o Previously, very little known about what was there o Mountain ranges in ocean basins. Worksheets are Sea floor spreading work, Sea floor spreading, A model of seafloor spreading, Inside earth work, Magnetic reversals activity, Name date sea floor spreading l 1 2 3, 5 4 ovr l lesson 3 seafloor profiling, Seafloor spreading and subduction. Relate the magnetic field reversals in the model to magnetic field reversals in the planet. Finish “Sea Floor Spreading Outline” if not completed in class. Chemistry Vocabulary element - a substance that cannot be decomposed into simpler substances by chemical means; the simplest substance (hydrogen, oxygen, carbon, nitrogen, gold, titanium, etc) atom - the smallest unit of matter compound - two or more atoms bonded chemically example: NaCl (salt), H20 (water), NH3 (ammonia) molecule - the smallest unit of a…. seafloor spreading d. Magnetic bands provide evidence of sea-floor spreading Life is found near deep ocean vents If you are having trouble accessing the Plate Tectonics activity, try the non-Javascript version. This interactive activity is simple to prepare and to execute and allows the students to understand seafloor spreading and the position of newer rock and older rock in relation to the mid-oceanic ridge. Seafloor Spreading Background About 30 years ago, scientists discovered that there are both age and magnetic patterns in the seafloor. Volcanoes erupt in the zone where plates diverge, on the overriding plate where plates converge, and along a line where a plate rides over a. 4 Gather and evaluate evidence that energy from that earth’s interior drives convection cycles within the asthenosphere which create changes within the lithosphere including plate movements, plate boundaries, and seafloor spreading. These questions start on page 31 in your lab manual. SONAR works by shooting sound waves at an object and measuring how long it takes for it to bounce back. Do not push it down. ) Today: Review Study questions Show me 4. Suppose you want to design and build a house. What “three lettered” chemical combines with Oxygen to make muscle contractions? 3. Other than hotspot-dominated Iceland, the Gulf of California is the only part of the world's. Some of the most precise profiles of the deep sea floor ever observed have been obtained with this machine. Jessica Henze 28,275 views. This is a mid-ocean ridge. If you look at a spreading ridge on a map, it has a stair-step pattern of segments at right angles. Tectonic activity occurs at the three types of plate boundaries and at hotspots. Study Guide Answer Key. , magnetite) are sensitive to the Earth's magnetic field. Most basalt magmas contain abundant molten iron. This is just one of the solutions for you to be successful. Morgan later outlined the theory in 1968. Hess in 1960. Evaluate real data collected by the Ocean Drilling Program that support seafloor spreading. pdf] - Read File Online - Report Abuse. If magnetic reversals are recorded in the seafloor, what kind of. Objective: Be able to identify the interior layers of the earth and the characteristics of each. Fossil Correlation lab and answer sheet. Our book servers hosts in multiple countries, allowing you to get the most less latency time to download any of our books like this one. question 1, page 55 Younger (it is closer to the mid-ocean ridge) question 2, page 55 Because the ocean spreads in opposite direction at essentially the same rate. The continents may either be carried along by the adjacent sea floor, or the spreading sea floor may under-thrust a relatively immovable continent. 2 EARTH SCIENCE ANSWER KEY. Sea floor spreading lab seafloor spreading model name date block quiz study questions with answers how is the mid seafloor spreading Whats people lookup in this blog: Uncategorized. Have students work in groups of four. Click here to print this answer key! Click here to save or print this answer key as a PDF! See our guide on How To Change Browser Print Settings to customize headers and footers before printing. This lesson is the first day of a two-day lesson involving the process of sea floor spreading. seafloor spreading d. The Pop-Up Channel Recommended for you. Lay two pieces of the graham cracker side by side on top of the cool whip. 140-141 Holt- Pgs. For the North Atlantic Ocean (using the map in the lab) Measure the distance between the center of the spreading center (red) and the border between dark yellow and light green (65 Ma point) I measured 2 cm ; Since the scale on the map is 1 cm = 475 km, calculate the real distance that the plate has moved over the past 65 Ma. In newly forming oceanic crust, magnetic minerals line up with Earth’s north and south poles like mini-magnets. How is seafloor spreading different from continental drift? _____ Wednesday, January 21 Homework #20 1. The center slit represents a Mid-Ocean Ridge 2. 3 Our lab looks at three different mid-ocean ridges Our lab only analyzes the rock to the left of the mid-ocean ridge (watch for green bar above) symmetrical pattern. Sea-floor spreading creates the ocean basins, moving the continents apart. Worksheets are Sea floor spreading work, Name date sea floor spreading l 1 2 3, Continental drift sea floor spreading and plate tectonics, A model of seafloor spreading, Sea floor spreading, Seafloor spreading and subduction, Magnetic reversals activity, Inside earth work. In fact, this is what seafloor spreading is all about - the two tectonic plates are being slowly pulled apart, periodically a crack opens along the plate boundary, magma fills the crack (forming a dike), and the plates are then a little further apart than they were to start with. Worksheets are Sea floor spreading work, Sea floor spreading, A model of seafloor spreading, Inside earth work, Magnetic reversals activity, Name date sea floor spreading l 1 2 3, 5 4 ovr l lesson 3 seafloor profiling, Seafloor spreading and subduction. Grade 4-6 Question: Why isn't Rodinia called Pangea anymore? Answer. View Module 01 Seafloor Spreading and Uniformitarianism Lab. ***** Monday, October 3, 2016. Record your answers in the Concepts of Science lab Topography of the continents and sea-floor of part of the Earth spreading ridge over a hot spot. Holmes (British), 1920s: Seafloor spreading driven by rising of melt from Earth’s interior. seafloor spreading d. As you are watching the video about seafloor spreading, answer the questions on the document. In 2012, AWI scientists of the Research Unit Potsdam connected the Bayelva long-term measurement station to the data network of the institute. Sea-Floor Spreading pg. convergent 5. Chapter 10 On Shaky Ground: Understanding Earthquakes. Review and Reinforce: Sea-Floor Spreading 5-5 The Theory of Plate Tectonics a. #TpT #TeachersPayTeachers #LLLab #geology #middleschool #highschool #education #assessment #continentaldrift #layersoftheearth #earthslayers. 500 kilometers. Although this process takes place constantly, it is difficult to observe directly. HELLO regents Earth Science class! It's VICI! Here are some answers to the lab I found!. Study Guide The Seafloor Answer Sea-Floor Spreading Answer Key. Plate Tectonics It was from the continental drift theory, convection current theory and the theory of seafloor spreading, the theory of Plate Tectonics was formulated. Put your finished map in your lab notebook along with today’s exercise. Polarity Procedure: 1. Tuesday, January 30, 2018 Complete reading and notes Chapter 6 Section 2 and answer the questions on page 187. convergent 9. (Useful conversion factors: 1 km = 1000 meters and 1 m = 100 cm) 5. This is harmful to the position of those holding to the theory of sea-floor spreading since their time scale has been calculated using K40/Ar40 dates mainly. The older rock is close to 400 million years. When scientists studied the magnetic properties of the seafloor, they. The center slit represents a Mid-Ocean Ridge 2. In some cases, volcanic activity at divergent boundaries can cause high mountains to form. Improve your students’ reading comprehension with ReadWorks. Determine the spreading rate in centimeters per year for the two areas shown in Figure 2. (Useful conversion factors: 1 km = 1000 meters and 1 m = 100 cm) 5. docx Northern Virginia Community College Answers in as fast as 15 minutes. Volcanoes erupt in the zone where plates diverge, on the overriding plate where plates converge, and along a line where a plate rides over a. 17) After You Read (p. Grade 10-12 Question: A question about continental drift: Has India turned slightly in relation to Australia or am I just imagining it? Answer. General Instructions for Module 2 Lab. Glencoe/McGraw-Hill. Polarity Procedure: 1. 5 Ma (anomaly 9-8): At the time of anomaly 10, seafloor spreading stopped in the northwestern subbasin of. Answers vary. When studying features on the seafloor, the topography is instead referred to as bathymetry because this data is referencing how deep a feature is. Ppt Chem 108 Lab Week 9 Powerpoint Presentation Free Sea floor spreading lab seafloor spreading model name date block quiz study questions with answers how is the mid seafloor spreading. There are numerous ways of looking at the topography of Earth’s surface, including satellite imagery, topographic maps, shaded relief maps, and digital elevation models. Its many trenches are swallowing more ocean crust than the mid-ocean ridge is producing. Tuzo said that Earth’s crust, or lithosphere, was divided into large, rigid pieces called plates. By about 300 million years ago, a unique community of plants had evolved known as the European. Seafloor spreading was proposed by an American geophysicist, Harry H. Both are geared toward fulfilling the same strategic goal and try to explain psychology as a science that asks, and often answers, some of the most fascinating questions in the world. BBBBBBB: In general, what happens when a subscript is found outside of parentheses? It acts like the Distributive property of math. com member to access free printables. It is an underwater mountain range that forms when magma pushes up on the crust at a divergent Page 4/27. Study Guides: 110 SEM study guide 120 SEM study guide Directions: Watch each of the following videos and answer the questions on your study guide. the rate of sea-floor spreading can be calculated. (show formulas for calculations, with units) a. Dynamic(Earth!StudyGuide(! 1. Tectonic activity occurs at the three types of plate boundaries and at hotspots. a slew of discoveries helped ideas such as seafloor spreading and plate tectonics gain acceptance, bringing with. Yet, two inherent limitations of seafloor. question 1, page 55 Younger (it is closer to the mid-ocean ridge) question 2, page 55 Because the ocean spreads in opposite direction at essentially the same rate. The purpose of this lab is to have you utilize the age and positions of rock formations associated with the Mid Atlantic Ridge to support the hypothesis of sea floor spreading. Name and describe the feature of the ocean floor shown at A. Describe why sea floor spreading at the ocean ridges gives us the confidence to interpret these lines as isochrons, even where we have not dated the rocks directly. Seafloor spreading worksheet pdf answer key fill online seafloor spreading model name date block sea floor spreading sea floor spreading pg 23 29. Determine the spreading rate in centimeters per year for the two areas shown in Figure 2. Fossils, and Glaciers Glaciers once covered areas that today are very warm. Started in class, due tomorrow. 17-2 Sea Floor Spreading */ Th-Fri Sea Floor. 4 September 2007 MAR 110 Lab 3: Ex 1-3 - PT 8 Plate Configuration: The Earth’s crustal lithospheric layer is composed of 12 major plates as illustrated in the Figure 3-7. Seafloor Spreading Background About 30 years ago, scientists discovered that there are both age and magnetic patterns in the seafloor. Nov 24, 2015 - If your teaching Seafloor Spreading, this is an EASY and FUN lab to do with your students!! This lab is a great way to get students actively engaged in hands-on, cooperative learning! After following the EASY step-by-step instructions, students answer questions (analyze & conclude worksheet at. , Earthquakes Living Lab: The Theory of Plate are moving away from each other—an example of sea floor spreading. The first scientific expedition to explore the world’s oceans and seafloor was the Challenger Expedition, from 1872 to 1876, on board the British three-masted warship HMS Challenger. Navy wanted to learn more about the oceans to gain fighting. Explain what a divergent boundary is. ) The ideas of Hess, Wegener, and others emphasize that Earth is a dynamic planet. This discovery allowed another piece of the puzzle about plate tectomcs to fall into place. The purpose of these studies was to understand the topography of the sea floor to find hiding places for both Allied and enemy submarines. Throughout the 15 weeks, our Instructors will provide some insights on successful strategies and lab activities to support the earth and space sciences. LAB 4-3= SEA-FLOOR SPREADING INTRODUCTION: Sea-floor spreading is the hypothesis that the sea floor moves sideways away from the crest of a mid-ocean ridge. Answers vary. Sea floor spreading further supports the continental drift theory. There is a synergy between this podcast series and our expanded public education campaign, Psychology: Science in Action (see page 10), which we launched in March. Sea floor spreading lab sea floor spreading pg 23 29 an expedition to the seafloor seafloor spreading. The newly-formed crust pushes the older crust apart causing the sea-floor to spread. This age progression could only be explained by the continuous formation of new oceanic crust at the ridges and gradual spreading-apart of the plates over time. North Pacific (3900 km/50,000,000 yr) x (1000m/km)x(100 cm/m) = 7. Seafloor Spreading During World War 2, SONAR technology was developed in order to detect German submarines. divergent 6. (show formulas for calculations, with units) a. Show your. For example: • Zoom in and out, grab and spin the globe, etc. Using the magnetic anomaly pattern in the Elrond sea, determine the 1/2-spreading rate on the Hobbit Ridge (Le, determine how fast the Frode continent is moving away from the Hobbit ridge Give your answer in mm/y. Whats people lookup in this blog: Sea Floor Spreading Worksheet Answers Pearson Education; Sea Floor Spreading Worksheet Answer Key Pearson Education. Hess in 1960. In the lower grid, plot the 20 points listed in the Data Table on the right. 5km below sea floor to study megaquakes. Plate Tectonics - a theory explaining HOW the pieces of Earth’s surface (the lithospheric/tectonic plates) move. The time. This has happened many times throughout Earth's history. LAB 15 Sea Floor Spreading - Ms. Pics of : Sea Floor Spreading Lab Worksheet Answers. Section Summary and Guided Reading: Sea-Floor Spreading _____ 7. a line on a seafloor map that connects points of equal age: B) a point on a seafloor map that has a magnetic reversal: C) a line on a seafloor map that connects points of equal elevation: D) a line on a seafloor map that marks a mid-ocean ridge: 4: An expedition brings up a piece of rock from the Gauss normal epoch. The mid-ocean ridges, which are characterized by unusually high heat flow along their crests, are the largest topographic features on the surface of the Earth. Scientists can determine the age of the seafloor by examining the changing magnetic field of our planet. Our online plate tectonics trivia quizzes can be adapted to suit your requirements for taking some of the top plate tectonics quizzes. The pattern in the ages of the rocks across the ocean floor is used as evidence of sea-floor spreading. To complete Activity 2, select one of these files:. Some islands, like Iceland, were created by this process. HELLO regents Earth Science class! It's VICI! Here are some answers to the lab I found!. and answer the analysis questions that follow. If you missed class watch this video: Seafloor Spreading Answer the questions on the back of the activity sheet. Answers include: use index fossils or radioactive decay dating to indicate that the age of the rocks gets younger toward the top Answers include: lived for a short time or a small vertical extent, has a wide horizontal distribution and is a single species of life the limestone particles 4 4 3 13. Study Guides: 110 SEM study guide 120 SEM study guide Directions: Watch each of the following videos and answer the questions on your study guide. After the war, this technology was used to map the ocean floor. lab_whats_up_with_the_weather_8ils_version. ) 18 The earliest history of Earth—Archean time (Ch. Seafloor spreading is happening at B. The pattern on the west side of the ridge has been omitted. Choose from 500 different sets of lab 4 earth science flashcards on Quizlet. Sea Floor Spreading Worksheet Answers from Sea Floor Spreading Worksheet, source:guillermotull. Seafloor spreading occurs because ____ a. The farther one moves away from the plate boundary; the older are the seafloor rocks. Basalt samples at or near ocean ridges are youngest. 1, use the distance scale for each of the three ocean basins (they are all different scales) to determine to the nearest 100 kilometers, the total distance from the spreading center to the seafloor that is 75. 2: Sea-floor spreading and magnetic anomalies. Sediment Deposition Supports Seafloor Spreading — Student Guide 2 Learning Objectives You will be able to: 1. The older rock is close to 400 million years. Seafloor spreading is most dynamic along giant underwater mountain ranges known as mid-ocean ridges. seafloor spreading. com Sea floor spreading lab seafloor spreading model name date block sea floor spreading project answer key lab 4 an expedition to the seafloor answer key. Wall map of the World. According to the theory of plate tectonics, (from the Greek, tekto, “builder”), the Earth’s crust is broken into many slowly moving plates. Title: Sea-Floor Spreading Lab Author: Michael Wing Created Date: 1/12/2010 6:01:27 PM. ) ago did sea floor spreading begin in the Elrond Sea? Spreading Began- 4. 387) [Filename: GES_pi-48_MSS05_RE_AK. Problem How does sea-floor spreading add material to the ocean floor? Materials scissors metric ruler. It is an underwater mountain range that forms when magma pushes up on the crust at a divergent Page 4/27. sediments accumulate on the ocean floor. What is a spreading center and what is made at one? 4. Using the knives or spoons, spread a thick layer of cool whip in the center of the paper plate or wax paper. Click on the Sea Floor Spreading button above. net Sea floor spreading project answer key lab 4 sea floor spreading lab sea floor spreading project answer key lab 4 seafloor spreading. Complete "Strawberry DNA" Lab Report. Students will make their own models of seafloor spreading and the magnetic strips that occur in the seafloor. transform fault 10. Name: _____ Modeling Sea-Floor Spreading Lab Activity Problem How does sea-floor spreading add material to the ocean floor? Materials Scissors metric ruler 2 sheets of paper colored marker Procedure 1. Sea Floor Spreading. 4 • What is the mid-ocean ridge? • The mid-ocean ridge is the longest chain of mountains in the world. Every once in a while, the currents in the liquid core, which create the Earth’s magnetic field, reverse themselves: it is called a geomagnetic reversal. Seafloor Spreading Theory. How would you describe the motion of plates in a divergent boundary? they separated from eachother 2. The red line traces the path of the mid-Atlantic Ridge. Based on this correlation, how many million years (my. As understood, execution does not recommend that you have fantastic points. As each new later emerges, the prior layer is pushed away from the ridge. Answers vary depending upon the strip of ocean students choose. TEST THURSDAY FEBRUARY 12TH- ON EARTH'S LAYERS AND SEAFLOOR SPREADING February 9th -Monday Worksheet on seafloor spreading Watch the seafloor spreading video. (Hint: To determine the rate of spreading in centimeters per year for each ocean basin, first convert the distance from kilometers to centimeters and then divide this distance by the time, 2 million years. 7) 16 Plate Tectonics-seafloor spreading and today’s theory (Ch. This prepaid kit voucher lets you purchase the Seafloor Spreading and Age of Crustal Rocks Kit (item #331114) now, but request shipment of the kit later at your convenience. Sea-Floor Spreading. Model 2: Convergent Plate Boundaries, Continental/Oceanic a. fastest? b. Grade 10-12 Question: A question about continental drift: Has India turned slightly in relation to Australia or am I just imagining it? Answer. Seafloor Spreading Model Worksheet Answers Ngss Hub 2019 12 14 The Shape Of Ocean Basins And Bathymetry Sea Floor Sea Floor Spreading Lab Ocean Floor. Draw stripes across one sheet of paper, parallel to the short sides of the paper. a slew of discoveries helped ideas such as seafloor spreading and plate tectonics gain acceptance, bringing with. !For!your!Dynamic!Earth!Test!onFriday,!October!27th,youwill!ABSOLUTELY!needtoreview!the following!note!sheets,!labs,!and!quizzes!make. hot, less-dense material below Earth’s crust is forced upward toward the surface. How Plates Create Instructions. With colored pencils, and using MAP #1 as a guide, do the following on your copy of the blank sea floor map. sea floor spreading lab 4 3 answers. The student will explain how sea-floor spreading and mountain building are evidence of the movement of crustal plates. Lab: Modeling Sea-Floor Spreading _____ 5. Morgan later outlined the theory in 1968. Volcanoes erupt in the zone where plates diverge, on the overriding plate where plates converge, and along a line where a plate rides over a. The answer might be sociological not scientific. An outline map of the Ring of Fire to print. 8 billion ) New crust is created at ridges, and old crust is destroyed at oceantrenches. Seafloor Spreading Lab ANSWER KEY for UVMS Wednesday, January 22, 2014. com member to access free printables. Materials: 60 cm long paper strip 1 compass 1 box of markers 1 cardboard box lid 1 bar magnet Meter Stick or ruler 3. Activity Seafloor Spreading. The sea floor spreading hypothesis presents the idea that new crust is continually being formed at the center of mid-ocean ridges, which is causing the sea floor to. In 2012, AWI scientists of the Research Unit Potsdam connected the Bayelva long-term measurement station to the data network of the institute. How Test Prep Plans work. The red colors are the youngest parts of the seafloor, where fresh new crust is formed as lava seeps up from the deep interior of the Earth at spreading ridges. When taught in series, the lessons proceed in much the same way that scientists discovered seafloor spreading and plate tectonics. ridge push and slab pull c. Sea-floor spreading The movement of plates caused by convection currents causes both constructive and destructive forces beneath the ocean floor. Lab Review Today we went over topic sentences and how answer the questions. Sea floor spreading lab seafloor spreading model name date block quiz study questions with answers how is the mid seafloor spreading Whats people lookup in this blog: Uncategorized. " The CD-ROM has a tutorial and shows excellent animations about continental drift, plate tectonics, and sea floor spreading. As the magma cools, magnetic domains in these minerals will align with the Earth's magnetic field locking. Relate evidence for seafloor spreading to larger processes of plate tectonics. 140-141 Holt- Pgs. What two kinds of crust are involved in a subduction zone? 7. Other than hotspot-dominated Iceland, the Gulf of California is the only part of the world's. We also went over each question and how it should be answered. Activity Seafloor Spreading.