Across
- 3. Is moving under the North American plate
- 5. Earth that slides down a mountain
- 7. Danger or risk
- 8. Study of Earth's history & structure
Down
- 1. Plate that moves under another plate
- 2. Physical harm caused to an object
- 4. Broken pieces of something
- 5. Violent flow of mud, snow, & ash
- 6. When lava comes out of a volcano
