| A | B |
|---|
| chip | another name for an integrated circuit |
| electric motor | changes electric energy into mechanical energy |
| electromagnet | becomes magnetic when current is flowing through it |
| electronics | a field of science that studies the movement of electrons in electric devices |
| integrated circuit | a tiny piece of silicon or germanium that contains thousands of electronic devices and circuits |
| kilowatt-hour | unit that measures amount of electric energy used (1000 watts per hour) |
| magnetic field | region around a magnet where the pulling power is found |
| transistors | replaced vacuum tubes during the 1960s; are smaller and lighter |
| vacuum tube | electronic device from which air has been removed; used in real old radios |
| voltage | the pushing power of an electric source |
