Across
- 2. something we observe to be similar over and over again
- 5. a natural disaster on Earth, such as an earthquake,tornado,or flood
- 7. most successful,considering the situation
- 8. a large ocean wave caused by a sudden shift in the seafloor
- 9. a feature that forms on the surface of a planet,such as a mountain,channel,or sand dune
Down
- 1. the place where two plates meet
- 3. to move somewhere safe
- 4. standards by which something may be judged
- 6. move apart in different directions
- 8. when you have to give up one thing in return for another