| A | B |
| Proton | a tiny bit of an atom that has a positive charge |
| Electron | a tiny bit of an atom that has a negative charge |
| Conductor | a material through which electric current passes easily |
| Insulator | a material through which electric current does not pass easily |
| Resistance | how well electricity flows through a material |
| Series Circuit | a circuit that connects several objects one after the other so that current flows in a single path |
| Parallel Circuit | a circuit that connects several objects in a way that the current for each object flows in it's own path |
| Electricity | a source of energy used to run many appliances |