plate motion crossword puzzle
Across
- 2. the outside or top layer of something
- 4. something we observe to be similar over and over again
- 5. the place where two plates meet(two words)
- 6. when two plates move away from each other
- 8. when 1 plate goes underneath another plate and is destroyed in the mantle
- 10. the slow pulling apart of land. This is caused by plate motion
- 11. when two plates are moving towards each other
- 14. hot liquid rock on Earth’s surface
- 15. one of the large sections of hard, solid rock that makes up Earths outer layer
- 16. the layer of soft solid rock underneath Earth’s surface
- 17. this person invented the idea of plate tectonics (Alfred ____________)
- 19. a long deep indentation in the ocean floor formed when 2 plates move together
Down
- 1. an underwater mountain chain formed at divergent plate boundaries(three words)
- 3. Earths outermost layer of solid rock that is underneath the soil, vegetation, and water(two words)
- 7. a sudden shaking of Earth's crust
- 8. A scientific instrument used to record data from earthquakes
- 9. evidence of life from the past
- 12. the sudden pushing out of something
- 13. hot liquid rock below the surface of Earth
- 18. how often or fast something happens