Across
- 4. A sudden shaking of Earth's Surface
- 6. To move somewhere safe
- 9. The size or strength of something, such as an earthquake or tsunami
- 10. ridge An underwater mountain range formed when two plates move apart
Down
- 1. A large ocean wave caused by a sudden shift in the seafloor
- 2. Boundary The Place where two plates meet
- 3. A natural disaster on Earth, such as Earthquake, tornado, or flood
- 5. A long, deep indentation in the ocean floor formed when two plates move together
- 7. Something we observe to be similar over and over again
- 8. A feature that forms on the surface of a planet, such as mountain, channel, or sand dune