Across
- 2. C
- 4. A type of energy from the sun
- 6. The layer which protects the Earth from space rock
- 7. All of the soil, rocks and minerals on Earth
- 9. All of the water on Earth
- 10. Carbon in gas form
- 11. The layer which contains the ozone layer
Down
- 1. an insulative material that protects us from the sun in the day and keeps us warm at night
- 3. All of the living things on Earth
- 5. A 600km thick protective layer around the Earth
- 8. fuel derived from the fossilisation of plants and animals