chomelawalam Energy Crossword

3. the breaking up of a neutron into small nuclei that are formed into energy atoms
5. the making of small nuclei into an energy neutron
9. a substance that provides energy such as heat, light, motion or electricity
11. the original source of the energy in wind and flowing water that comes from the sun
12. another name for oil
15. a change that happens when gas in a car's engine is burned
18. fuels that are made from living things
19. the producing of electricity by combining hydrogen and oxygen fuel cells.
22. the main use for coal
24. the central core of an atom that contains protons and neutrons
25. a form of one energy to another
27. energy-rich substances formed from the remains of organisms
28. rods that are used to slow down the chain reaction in a reactor vessel
29. the reactor that contains rods of U-235
30. layer of material that traps air to help block the transfer of heat between air inside and outside a building

1. the process when fuel rods generate so much heat that they start to melt
2. compounds that are made of oil
4. wood, plant parts, manure and food wastes that can be used as fossil fuels
6. heat from the Earth's interior layers
7. the energy that is formed from the interior heat from Earth's magma
8. when fuels are burnt so that the chemical energy is released to form another form of energy
10. to reduce the amount of energy use
13. a vessel where uranium fuel undergoes nuclear fission producing heat
14. electricity produced form flowing water
16. the mixture of alcohol and gasoline
17. the percentage of energy that is performed to do work
20. chemical compounds that contain carbon and hydrogen atoms
21. a place where stem is turned to generate electricity
23. the main use for oil
26. a factory in which crude oil is heated and separated into fuels and other products