Plate Motion

3. moving apart in different directions
6. boundary the place where two plates meet
8. a feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
10. to examine in detail for a purpose
11. a diagram that shows what the inside of something looks like
12. the sudden pushing out of something, such as lava from a volcano
14. a sudden shaking of Earth’s surface
15. an underwater mountain range formed when two plates move apart

1. a long, deep indentation in the ocean floor formed when two plates move together
2. an extinct reptile that lived about 300 million years ago
4. any of Earth’s main continuous areas of land, such as Africa, Asia, and North America
5. moving toward the same place
7. the layer of soft, solid rock underneath Earth’s plates
9. evidence of life from the past, such as fossilized bones, footprints, or leaf prints
13. one of the very large sections of hard, solid rock that make up Earth’s outer layer