Across
- 1. you have to ace a science test if you don't want to get an F
- 4. trick where you need to perform a 180 on the coping
- 8. seawing in the book series "wings of fire"
- 9. the clown
- 13. narrow excavation in the ground
- 15. in it results in a sixpack
- 17. scientific study of the structural features of Earth's crust and the forces and movements that cause it to deform, build mountains, and create faults
- 19. schools to perform drills in case this happens
- 20. personal bubble
- 21. elevated landform with steep slopes falling away on both sides
Down
- 1. jig saw puzzle in history
- 2. in millions of years
- 3. power of an earthquake
- 5. a caterpillar turning into a butterfly
- 6. identical poled magnets
- 7. covering or layer
- 10. tectonic plate slides under another
- 11. to wash after dinner
- 12. opposite poled magnets
- 14. "blue planet"
- 16. mountains"
- 18. as bad as a break
