Across
- 3. from decomposing plants and animals Fossil Fuel
- 4. Element Uranium
- 6. Air Wind
- 9. Water Hydropower
- 10. Nuclear
- 17. Energy Renewable
- 18. gas Propane
- 19. Name Colette Harker
Down
- 1. ability to do work Energy
- 2. Heat Solar
- 5. from the Earth Geothermal
- 7. that cannot be used again Nonrenewable
- 8. non renewable source Petroleum
- 11. Gas Chemical
- 12. that is not Destroyed Renewable
- 13. from living things Biomass
- 14. gaseous mixture Natural gas
- 15. nonrenewable source that is mined Coal
- 16. from heat Thermal