"Ch. 5 Energy Resources": HTML5 Crossword

Across

1. A layer of material that traps air is (10)
3. Wind can be used to turn a turbine and generate (11)
5. Wind power is an indirect form of (5,6)
6. Another name for oil (9)
8. The steam turns the blades of a _________ to generate electricity (7)
10. Electricity produced by flowing water over a dam (13,5)
12. The percentage of energy that is actually used to perform work is (10)
15. These include paints, plastics, medicines, and cosmetics (14)
16. The heat released from nuclear fission reactions is used to turn water into (5)
18. The intense heat from Earth's interior that warms magma is called (10,6)

Down

2. The splitting of atoms into two nuclei is called (7,7)
4. The most plentiful fuel in the US, which causes air pollution, and erosion (4)
7. Chemical compounds that contain hydrogen and carbon atoms (12)
9. Energy-rich substances formed from the remains of living things (6,4)
11. Reducing energy use is called (6,12)
13. Biomass fuels are made from (6,6)
14. This gas is a mixture of methane and other gases and is transported in pipelines (7,3)
17. Nuclear power does not produce air pollution since no ____ is burned (4)