Across
- 2. When you do this to the earth, it can harm it and make the air very bad for people to breathe in.
- 5. This is when the world gets hotter from all the pollution.
- 6. This is where animals live.
- 7. This is a protective shield that protects us from the sun's rays.
- 9. This is when you can use it over and over again.
- 10. This helps us stay alive.
Down
- 1. Some examples for this word are coal, oil and gas. When you use it up you cannot use it anymore.
- 3. This is the third planet from the sun. This is the only planet with living things on it.
- 4. When you hold it for a long period of time.
- 8. When we lower something.