Across
- 3. used to see microscopic things
- 5. a fossil fuel
- 7. Heat being trapped inside the atmosphere
- 10. The affect of people
- 11. energy that comes from a turbine
- 14. The cycle of water
- 15. Energy from the sun
Down
- 1. Infinite energy source
- 2. ice that falls from the sky
- 4. Fuels that come from dead organisms
- 6. Infinite resource
- 8. The cycle of carbon
- 9. Power/energy from water
- 12. Finite resource
- 13. clean drinkable water