Across
- 2. the form of energy in fossil fuels is_____ energy.
- 6. Waste materials from nuclear power plants are dangerous to living things for ________ of years.
- 10. _______are layers of rock through which oil and natural gas could not pass.
- 11. coal,_____, and natural gas are fossil fuels.
- 13. Uranium, used in nuclear reactions, is a ____________ energy resource.
- 15. Nuclear power plants and geothermal power plants both use ______ to turn the turbines of the generators that produce electricity.
Down
- 1. _______is a brownish haze produced when nitrogen compounds and other pollutants in the air react in the presence of sunlight.
- 3. ______energy comes from the nuclei of uranium atoms.
- 4. Geothermal energy is ________.
- 5. All ___________ and nuclear power are nonrenewable energy resources.
- 7. Energy released from atomic actions is called ________.
- 8. _____are deposits of minerals that are large enough to be mined for a profit.
- 9. fossil fuels are a _______ resource.
- 12. All power plants use a _______ to create electricity.
- 14. At a geothermal power plant, steam from water heated deep within ______ is turning the turbine that generates electricity.