Across
- 2. The sixth element of the periodic table
- 7. Weather affects on an area over a long period of time
- 8. Generally the producer in the food chain (or autotrophs)
- 9. The largest water source on the planet
- 11. The _____ forecast today is cloudy with a chance of rain
- 12. This layer of the atmosphere contains the Ozone layer
Down
- 1. Plant make their own food through a process called _____
- 3. Allows us to breathe
- 4. Matter that settles at the bottom of water
- 5. The only known planet to have life
- 6. The make up of most of the air around us
- 10. An waste product, mainly from the flatulence of cattle