Chapter 1 review

2. Wegener noticed that mountain ranges on the continents of South America and____ line up.

15. Where pieces of Earth's crust diverge on land, a deep valley called a _____if formed.

1. _ is the supercontinent that Wegener suggested occured on Earth about 300 million years ago.

4. The idea of continents slowly moving over Earth's surface is known as ___________

8. __________ is a device that scientists use to map the ocean floor

3. Evidence from land features, fossils and __ Supported Wegener's theory of continental drift.

14. Which feature forms at convergent boundaries?

7. Which features form the longest mountain ranges on Earth?

13. Plates that come together are called a ____________ boundary.

12. Plates that slip past each other are called a __________________ boundary.

6. Which process adds more crust to the ocean floor?

5. As a continent moves toward the equator, its climate gets _________?

11. Plates that move apart are called a _______________ boundary.

9. The farther from the mid-ocean ridge a rock sample is taken the _______ the rock is?

10 Process by which the ocean floor sink under a deep-ocean trench and back into the mantle is?