Across
- 5. a sedimentary deposit composed predominantly of carbon that is readily combustible.
- 7. a fossil fuel energy source.
- 8. renewable energy produced by living organisms.
- 9. the flow of electrical power or charge
- 10. renewable organic material that comes from plants and animals.
- 14. a renewable power source that is harnessed from the natural movement of water, including waves, tides, and river and ocean currents.
- 15. a material used to produce heat or power by burning
Down
- 1. a form of energy released from the nucleus, the core of atoms, made up of protons and neutrons.
- 2. heat energy from the earth
- 3. generates power by using a dam or diversion structure to alter the natural flow of a river or other body of water.
- 4. power obtained by harnessing the energy of the wind
- 6. uses the water stored in dams
- 11. any type of energy generated by the sun
- 12. a class of renewable energy derived from living materials.
- 13. energy produced from sources like the sun and wind that are naturally replenished and do not run out.