Across
- 3. is a nonrenewable energy source formed from ancient plants and animals buried in Earth's crust for millions of years.
- 5. to use again.
- 9. energy used by nuclear fission.
- 10. is electricity produced by moving water.
- 11. energy stored in bonds of compounds.
- 12. energy stored in nucleus of an atom.
- 13. energy of moving objects.
- 14. use the force of moving air to generate electricity.
- 17. natural resources(comes from Earth) that cannot be remade as fast as it's used.
- 18. is energy produced by heat within Earth's crust.
- 19. generates electric energy from another source of energy.
- 20. is a clean unlimited source of energy which takes the sun rays and turns it to energy.
Down
- 1. is organic matter, such as plant and animal waste, that can be used as fuel.
- 2. natural resources(from the Earth) that can be replaced in a short period of time.
- 4. energy that travels in waves.
- 6. energy of moving electric charges.
- 7. energy of moving particles.
- 8. use less; make less waste.
- 15. wise use of water, land and other resources to minimize waste or loss.
- 16. make new things from old things.