Across
- 2. hot liquid rock on the surface of the earth.
- 4. the sudden pushing out of something, such as lava from a volcano.
- 7. a natural spring that sends hot water and steam suddenly into the air from a hole in the ground.
- 8. solid made up of molecules arranged in a repeating pattern
- 10. a feature that forms on the surface of a plane, such as mountains, channels, or sand dunes.
- 13. a sudden shaking of the earths surface.
- 15. something we observe to be similar over and over again.
- 17. living organisms on earth.
- 19. the layer of soft, solid rock underneath earths plates.
Down
- 1. one of the very large sections of hard, solid rock that make up earth outer layer.
- 3. moving apart in different directions.
- 5. an object, diagram, or computer program that helps us understand that soil,vegetation, and water.
- 6. a preserved skeleton
- 9. the gases surrounding earth.
- 11. how often or fast something happens.
- 12. the outer layer of the earth.
- 14. when two solar system objects overlap each other.
- 16. any of earths main continuous areas of land, such as Africa, Asia, and North America.
- 18. the slow pulling apart of land that is caused by plate movement.
- 19. hot liquid rock below the surface of earth.
