Across
- 2. The layer of gases that surrounds the earth & protect it from the sun’s harmful rays, gives us air, and keeps the planet warm enough
- 6. Throwing trash around everywhere
- 8. ____ fuels are natural energy sources like coal, oil, and natural gas formed from plants and animals that lived millions of years ago & are buried deep underground.
- 9. Cutting down many trees in a forested area
- 10. This type of energy doesn't run out because it is constantly being replaced naturally
- 11. A group of people living in the same area
- 12. This layer in the atmosphere blocks out most of the sun's bad ultraviolet (UV) rays.
Down
- 1. Reduce, re-use, and?
- 3. Your ____ footprint describes the total amount of harmful gases released into the atmosphere due to your actions
- 4. Power we get from the sun
- 5. The weather patterns a place has over a long period of time
- 7. These gases in the atmosphere trap heat to keep the planet warm