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Lesson 3.03 – Plate Tectonics – Past, Present and Future
Directions: Read the Introduction Tab in 3.03 to answer questions 1 and 2.
1. Which layer of the Earth do Convection Currents occur in? (1pts)
2. Explain how these convection currents cause the crust of the Earth to
move. (5pts)
Directions: Read the Lesson Tab in 3.03 to answer questions 3 through 8
3. According to the Theory of Continental Drift, what did the Earth’s continents
look like 255 million years ago? What is the name of this landmass? (2pts)
4. What is the Petoskey Stone and where was it found? (2pt)
5. How does the Petoskey Stone help prove the Theory of Continental drift? (5pts)
6. How does the shape and size of the continents today help support the Theory of
Continental Drift? (5pts)
7. Explain how looking at the magnetism of certain rocks helps support idea that
the continents have moved and changed over time. (5pts)