| A | B |
|---|
| generator | device in which a wire coil and a magnet are used to produce electricity |
| electric cells | when energy is stored in chemicals |
| wet cell | chemical changes in a liquid separate negative electric charges from zinc strip |
| dry cell | chemical changes in paste separates negative electric charges |
| voltage | the force that pushes electricity along wires |
| transformer | changes the voltage of a current |
| solar energy | the clean and relatively low-cost energy from the sun |
| solar cell | changes sunlight into electrical energy |
