Energy

3. oil burning, replaced steam engine, used in transportation
5. 1000 watts
7. The total energy of motion in the particles of a substance
10. fossil fuel; oil
11. stored energy that results from the position or shape of an object
12. A resource that can be replaced when needed.
15. a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
16. The ability to do work or cause change
18. the total carbon dioxide emissions produced by an individual, group, or location
19. A fossil fuel in the gaseous state
21. The change of potential (stored) energy into kinetic (moving) energy. (e.g., the chemical energy in a battery is changed into electricity, which gives off heat and light.)

1. relating to or denoting the action of heated water in the earth's crust.
2. that is made of hydrocarbons that are 16 carbons long; a high compression internal combustion engine.
4. the energy an object has due to its motion
6. A diesel-equivalent, processed fuel derived from biological sources (such as vegetable oils), that can be used in unmodified diesel-engine vehicles.
8. Natural situation in which heat is retained in Earth's atmosphere by carbon dioxide, methane, water vapor, and other gases
9. A machine that converts mechanical energy into electrical energy
13. relating to the interrelation of electric currents or fields and magnetic fields.
14. energy from splitting Uranium atoms.
17. Movement of energy from one place or object to another
20. energy from the sun that is converted into thermal or electrical energy