| A | B |
|---|
| energy | the ability to do work |
| source | where something comes from |
| solar | comes from the sun |
| circuit | the path of an electrical current |
| friction | a force that occurs when two objects are rubbed together |
| resources | anything that can be used to take care of a need |
| electricity | the flow of energy from one place to another |
| fossil fuel | oil, coal, and natural gas |
| renewable | can be reused or replaced naturally in our lifetime |
| nonrenewable | cannot be reused or replaced naturally in our lifetime |
