Pangaea Flip Book - Bajis Classes

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Pangaea Flip Book Activity 1. Color, cut, and assemble your flip book using frames F1-F20. Frame F1 represents the Earth’s continents as they were 190 million years ago (mya). Frame 20 represents the Earth’s continents as they look today. The map is centered on the Prime Meridian. When you stack your flip book, frame F1 should be on the top, and frame F20 should be on the bottom. 2. What event began to occur about 190 million years ago? 3. In which frame did you locate the first appearance of the following landmasses? North America? Europe? India? Antarctica? Australia? 4. In which frame did you notice the final breakup of Pangea? Why did you chose that frame and not another? 5. List two landmasses that have collided. What do you think happens at these locations? 6. List two landmasses that were once connected, but have separated. What do you think happens at these locations?

7. Using selected frame sheets (Figure 2), color the land mass identified as India today on each of the frames. Graph the changing position of India’s landmass (distance from the equator by identifying the latitude of the approximate center of India through time; the latitude scale on Figure 2A should be used to estimate the latitude of India on each frame) over time, using the provided graph paper (Figure 3). The equator is the horizontal line on the maps in Figure 2. 8. Do you think that the climate of India has changed over the last 100 million years? Explain your answer. What evidence would scientists look for to prove this? 9. Repeat the activity from step 7 by measuring and plotting the opening of the Atlantic ocean through time. Select two locations on opposite sides of the Atlantic on Frame 20 of your flip book (present or 0 mya map). Suggested points in the north Atlantic are: the northeastern US on the east coast of North America and the Iberian peninsula (Spain) on the west coast of Europe. Suggested points for the south Atlantic are the easternmost point along the east coast of South America (eastern Brazil) and the prominent indentation along the west coast of Africa near Nigeria. 10. Measure the distance between these points using the kilometer scale provided on Figure 2A. Plot the distance between the two points, showing the opening of the Atlantic through time, on the graph provided in Figure 4. It will be easiest to work backwards (beginning with Frame 20) through time. You should be able to recognize a separation between your two points back to about 80 to 120 million years ago. 11. Calculate the approximate average speed (km/million years) for the opening of the Atlantic inferred from your graph. Write your answer below. How does this speed compare with typical plate velocities (1-15 cm/yr) that are inferred for contemporary plate tectonic motions (you will need to make a conversion between km/million years and cm/yr in order to make the comparison)?

Voyage Through Time –A Plate Tectonics Page 14 of 16 Voyage Through Time -- Position of Indian landmass through time 90 N 60 N Latitude 30 N 0 Equator 30 S 60 S 90 S 0 200 2 4 6 8 10 12 14 16 18 100 Figure 3. Graph for plotting position (latitude) of a continent (India, for example) through time. 20 Frame # 0 Age (millions of years ago)

Voyage Through Time –A Plate Tectonics Page 16 of 16 Distance across the Atlantic Ocean (km) Voyage Through Time -- Opening of the Atlantic Ocean 6000 5000 4000 3000 2000 1000 0 0 200 2 4 6 8 10 100 12 14 16 18 20 Frame # 0 Age (millions of years ago) Figure 5. Graph for plotting distance between two continents through time as the Atlantic Ocean basin opened.

1. Color, cut, and assemble your flip book using frames F1-F20. Frame F1 represents the Earth's continents as they were 190 million years ago (mya). Frame 20 represents the Earth's continents as they look today. The map is centered on the Prime Meridian. When you stack your flip book, frame F1 should be on the top, and frame F20 should be .

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