Across
- 6. sends up hot water and steam from a hole in the ground
- 7. _____ becomes igneous rock when it cools
- 9. a sudden shaking of earth’s surface
- 11. a ___-_____ ridge is an underwater mountain range formed when 2 plates move apart
- 12. Africa, Asia, North and South America, Europe, Australia, Antarctica
- 13. bones, preserved footprints, and leaf prints
- 17. moving apart (opposite of convergent)
- 19. a plate ________ is where plates meet
- 20. how often or fast something happens
Down
- 1. moving toward the same place
- 2. something we observe to be similar over and over again
- 3. a ________ plate is one of the pieces of earth on the semi-liquid mantle
- 4. thick layer between outer layer and crust
- 5. hot liquid rock
- 8. a _____ section shows what the inside of something looks like
- 10. movement of weathered rock by natural causes
- 14. a feature that forms on the surface of a planet
- 15. the slow pulling apart of land, caused by plate movement
- 16. an extinct reptile kind of like a crocodile
- 18. study of earths structure