Across
- 3. Our planet home
- 5. moving or extending in different directions
- 9. a line of volcanoes
- 10. a massive earthquake
Down
- 1. a long carck in the surface
- 2. to change in composition
- 4. what is at the bottom of the ocean
- 6. a line that marks the limits of an area
- 7. a big mountain that spits lava
- 8. a big landscape that goes up