Across
- 1. Living creatures
- 3. Living thing
- 4. Red flakey material that changes with acid
- 5. Layers of rocks being taken away
- 7. Water freezes in rocks
Down
- 1. Rocks colliding with other rocks
- 2. H2O
- 4. Water falling out of the sky
- 6. Chemical substance
- 8. C02
