| A | B |
|---|
| an atom cannot lose electrons | false |
| may cause when you brush hair | static electricity |
| Do opposite electricic charges attract each other? | yes |
| covers electric wires | rubber |
| made by a generator | current electricity |
| measures push of source of electricity | volt |
| may cause too much current | lightning |
| store electricity | dry cells and batteries |
| made when chemicals in dry cells react with zinc | electricity |
| magnetism | pulling force that some metals have |
| mechanical energy | used to make anything move |
| Does Earth act like a magnet? | yes |
| current in electronic devices flows through | semiconductor |
| how generators make electricity | electromagnetic induction |
| two posts on a dry cell | terminals |
| direction | electric motor's electromagnet keep changing |
| electronics | branch of science that makes computers |
| insulator | electrons cannot move through easily |
| rubber | insulator used the most |
| transistors | used by electronic devices |
| alternating current | electronic outlets have |
| electronic device uses | direct current |
| fuses | keep fires from starting |
| other pieces of metal | magnets attract and repel |
