SCIENCE
Across
- 2. layer
- 3. solid rock that forms earth's surface
- 6. process of rock breaking down
- 7. formed by heat and pressure
- 8. formed by melted rock
- 10. solid substance made of minerals
- 11. smallest particle
Down
- 1. changing rock into other rock
- 4. formed by sediment
- 5. decayed living things
- 7. solid substance occurred in the ground
- 9. largest particle