Across
- 3. Hot liquid rock on the surface of earth
- 5. a sudden shake of earths surface
- 8. the sudden pushing out of something, such as lava from a volcano
- 9. a natural spring that sends hot water and steam suddenly into the air from a hole in the ground
- 12. the layer of soft, soli rock underneath earths plates
- 14. to examine in detail for a purpose
- 15. One of very large sections of hard, solid rock that make up earths outer layer
- 19. evidence of life from the past, such as fossilized bones, footprints, or leaf prints
- 20. moving toward the same place
Down
- 1. an extinct reptile that lived 300 millions years ago
- 2. hot liquid rock below the surface of earth
- 4. an object diagram, or computer program that’s helps us understand something by making it simpler or easier to see
- 6. The slow pulling apart of land that is caused by plate movement
- 7. moving apart in different directions
- 10. the outside or top layer of something
- 11. layer- earths outermost layer of hard, solid rock that is underneath the soil, vegetation and water
- 13. How often or fast something happens
- 16. a feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
- 17. something we observe to be similar over and over again
- 18. a long, deep indentation in the ocean floor formed when two plates move together