Across
- 2. - a mountain or hill, that has a vent through which lava comes out.
- 5. - a sudden and violent shaking of the ground, sometimes causing great destruction.
- 6. - a supercontinent uniting all of Earth's landmasses into a single landmass.
- 7. - something we observe to be similar over and over again.
- 8. - the remains of a prehistoric organism preserved as a mold or cast in rock.
- 9. - a large section of hard, solid rock that makes up Earth's outer layer..
Down
- 1. - a way that scientists can learn about the interior of Earth.
- 3. - a diagram that shows what the inside of something look like.
- 4. - Earth's outermost layer of hard, solid rock.
- 6. - the plate where two plates meet.