Across
- 6. the layer of soft, solid rock underneath Earth's plates.
- 9. an object, diagram, or computer program that helps us understand by making it simpler or easier to see
- 11. hot liquid rock on the surface of earth
- 13. moving towards the same place
- 16. an underwater mountain formed when two plate's move apart
- 18. something we observe to be similar over and over again.
- 19. moving apart in different directions
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.
- 3. Activity any of the many processes (such as eruptions and lava flows) in which gas, and lava and ash are pushed out on the surface of Earth
- 4. Section- a diagram that shows what the inside of something looks like.
- 5. one of the very large sections of hard, solid rock that make up Earth's outer layer
- 7. - to examine in detail for a purpose
- 8. A set of interacting parts forming a complex whole.
- 10. the sudden pushing out of something such as lava from a volcano
- 12. a natural spring that sends hot water and steam suddenly into the air from a hole into the ground.
- 14. how often or fast something happens
- 15. layer Earth's outermost layer of hard, solid rock that is underneath the soil vegetation, and water
- 17. hot liquid rock below the surface of Earth
- 20. a long deep indentation in the ocean floor when two plate moves together