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Changing Earth Ch.1
Chapter 1 Vocabulary
Question | Answer |
---|---|
The study of the Earth | Geology |
A supercontinent that existed about 200 million years ago | Pangaea |
The theory that states that all the continents were once a big supercontinent but they have since drifted apart. | Theory of continental drift |
One of the slabs that make up Earth's crust | Tectonic Plate |
A place where the plates that make up Earth's crust and upper mantle either move together or apart or else move past one another. | Plate boundaries |
Part of the continent that extends under shallow water from the ocean's edge down to a steeper slope. | Continental shelf |
Developed the theory of continental drift | Alfred Wegener |