Across
- 3. a feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
- 7. A large section of hard solid rock that make up earths outer layer
- 10. to examine in detail for a purpose
- 11. the outside or top layer of something
- 12. when do water mountain range formed when two plates move apart
- 14. the sudden pushing out of something, such as lava from a volcano
- 16. any of the many processes in which lava gas and ash are pushed out on the surface of earth
- 17. moving apart in different directions
- 19. a shaking of earths surface
Down
- 1. evidence of life from the past, such as fossilized bones, footprints, or leaf prints
- 2. the slow pulling apart of land that is caused by plate movement
- 4. made of hard solid rock
- 5. hot liquid rock below the surface of Earth
- 6. a diagram that shows what inside of something looks like
- 7. observed to be over and over again
- 8. The place where two plates meet
- 9. a natural spring that sends hot water and steam suddenly into the air from a hole in the ground
- 13. moving toward the same plate
- 15. A long deep indentation in the ocean floor
- 18. The layer of soft, solid rock underneath earths plates
