Across
- 2. / a chemical that is made from petroleum or natural gas
- 5. / a substance (such as coal or natural gas) that contains only carbon and hydrogen
- 6. fuel / fuel made of living things
- 8. / the central core of an atom that contains the protons and neutrons
- 9. / a kind of oil that comes from below the ground and that is the source of gasoline and other products
- 11. / an act or instance of burning
- 12. / a mixture of alcohol and gasoline
- 14. / a factory in which crude oil is heated and separated into fuels and other products
- 16. rods / neutron absorbing rods that help control the reaction by limiting the number of free neutrons
- 18. vessel / the part of the nuclear reactor where nuclear fission occurs
Down
- 1. energy / intense heat from earths interior that warms the magma
- 3. power / energy produced by flowing water
- 4. transformation / a change from one form of energy to another
- 7. rods / uranium rod that undergoes fission in a nuclear reactor
- 10. / a dangerous condition in which fuel rods inside a nuclear reactor melt
- 13. energy / energy from the sun
- 15. fission / the splitting of an atom's nucleus into two smaller nuclei
- 17. fuel / a fuel (as coal, oil, or natural gas) formed in the earth from plant or animal remains