Download Naked Science Colliding Continents

Unit # 2: Colliding Continents – Naked Science Documentary
Name:__________________________ Section: _______________________ Date: ____________________
What will Earth look like in 250 million years? Explore the
powerful forces deep below the Earth's surface that rip apart
vast landmasses and smash them together, creating everything
from tsunamis and earthquakes to mountains and canyons.
Watch the documentary and answer the following
questions (you may use point form notes):
1. As intergalactic travelers visit Earth in the future, what is likely to happen to
our planet?
2. Which forces create landforms?
3. What will likely happen to New York and Europe in the future?
4. Why do we say, “The history of planet Earth is full of change?”
5. How old is Earth and how was it created?
6. How did the oceans form?
7. How do scientists date or estimate the age of rocks?
8. What is a craton?
9. Who was the first to discover the “Theory of Plate Tectonics?”
CGC1D: Geography of Canada
Canadian and World Studies
10. What was his evidence?
11. In the 1960’s, scientists discovered the mechanism that was responsible for
plate movement, which is?
12. North America and Europe are moving away from each other at a rate of:
13. How many plates are approximately floating on the mantle?
14. What is a subduction zone?
15. This is the name of the supercontinent that once joined today’s continents
350 million years ago?
16. How did the Alps and the Himalayas form?
17. What is at the top of the Grand Canyon and why is this significant?
18. Name three major events that can occur because of plate movement?
19. What are the predictions made for Earth’s continents in:
a. 50 million years:
b. 100 my:
c. 250 my:
CGC1D: Geography of Canada
Canadian and World Studies