| A | B |
|---|
| lightning | a giant spark of electric charges moving between a cloud and the ground, between a cloud and another cloud, or within a cloud |
| electric current | the steady flow of electric charges |
| switch | closes the circuit and allows elctricity to flow or opens it and prevents its flow |
| GFCI outlet is.... | an outlet with a safety switch |
| GFCI stands for | Ground Fault Circuit Interrupter Outlet |
| volt | a unit used to measure how strongly the electrons in a wire are pushed |
| watt | a unit used to measure how fast electrical energy is used |
| kilowatt | 1,000 watts |
| kilowatt-hour | unit used to measure the amount of electrical energy used for billing purposes |
| generator | device that uses a magnet to change mechanical energy into electrical energy |
| scale | indicates what units are used on the axes of a graph |
| electron | particle in an atom that has a negative electrical charge |
| proton | particle in an atom that has a positive electrical charge |
| neutron | a particle in an atom that has no charge |
