| A | B |
|---|
| energy | never created or destroyed |
| Law of Conservation of Energy | energy can change forms, but never created or destroyed |
| nuclear | a result of the splitting of an atom |
| wind | a renewable resource |
| geothermal | energy from the earth |
| biomass | created from garbage |
| natural gas | a fossil fuel that is nonrenewable |
| solar | energy from the sun |
| oil | a fossil fuel that is nonrenewable |
| renewable resource | readily available |
| nonrenewable resource | takes millions of years to create |
| electricity | generates heat |
| magnetism | always a north and south pole |
| light | reflects or bounces back |
| refraction | bending of light |
| sound | moves by vibrating |
| sound waves | the way sound moves from one place to the next |
| 4 items sound can pass through | wood, water, metal, air |
