HuangE Energy Crossword Puzzle

2. Can be made but takes billions of years.
5. A limitation of solar energy is that it is _______ ____ so solar panels must be in a large area.
7. Fuel Rods generate so much heat that a ___________ occurs.
9. A machine that spins to create power.
10. Matter that is made from oil like plastic, paint and cosmetics.
12. Rods inserted to slow down nuclear fission.
13. Heat from earth's interior.
14. What oil is used mainly for.
15. Light bulbs that use ¼ as much energy as incandescent ones.
20. Material that blocks heat from getting in and out of a building.
22. Resource that can be replenished in a relatively short period of time.
23. Wood, plant parts, manure, and food wastes that can be used as fuels.
24. Use less energy to produce the same amount of work.
25. Two hydrogen nuclei form a helium nucleus with less mass, the lost mass is converted to energy.
26. Primary use of hydrogen.
27. Light and heat given off by the sun.
30. Energy from the force of moving water.

1. Greenhouse gases are mainly from _______ ______.
3. What coal is mainly used for.
4. Something that provides energy to power objects using chemical energy.
6. Chemical that has hydrogen and carbon.
8. Breaking apart of a U-235 nucleus when a neutron hits it, converting lost mass into energy.
11. Use less energy by using appliances less.
16. Create nuclear fission.
17. Pressure and temperature needed for a reaction during nucleus fusion makes it __________.
18. Second biggest producer of electricity in the United States.
19. Simplest element and is always mixed with other elements.
21. Use more energy to produce the same amount of work.
28. Gasoline mixed with alcohol.
29. A place where crude oil is turned into everyday oil.