Across
- 5. something that is highly flammable is natural gas
- 6. Wind energy is used to generate electricity
- 9. Heat within the earth is geothermal energy
- 10. The ditty's resource is coal
- 12. Non-renewable energy is a sources that will run out and cant be given back in our lifetime
- 15. Nuclear energy also called atomic energy
Down
- 1. another word for photovoltaic is solar cells
- 2. Renewable energy is a sources that might run out but can get back in our lifetime
- 3. Hydroelectric is power formed by water
- 4. the sun is a hot ball of plasma and gas
- 7. Dead animals help make fossil fuels
- 8. Petroleum is used in industry's to power machinery
- 11. Solar heating is like baking cookies in a car window
- 13. fuel Biomass fuel major recourse in developing counties
- 14. Soar power is renewable