click below
click below
Normal Size Small Size show me how
Science
Unit 8
| Question | Answer |
|---|---|
| Electricity a form of | Energy |
| Name examples of electricity at home, school, or in nature. | Home - wash clothes, heat water for showers, light; School - light, computers, smartboard, or copy machines; Nature - lightening |
| An electrical charge that builds up in an object | Static electricity |
| Objects with the opposite charge | Attract (pull) |
| Objects with the same charge | Repel (push away) |
| A steady stream of charges that moves through a material, such as copper wire | Current Electricity |
| The path the electrical current follows | Circuit |
| For an electrical current to work, it must be | Complete or closed |
| List some examples of new electrical technology. | Electric cars, solar panels, smart meters |
| Give an example of an insulator related to electricity. | Rubber around electrical wires or heavy clothing electrical workers wear |
| Give an example of a conductor related to electricity. | Wires or plugs |
| A circuit that forms a complete loop; allows an electrical device to work | Closed circuit |
| A circuit with a broken path; charges cannot flow | Open circuit |
| Controls the flow of charges by opening and closing the circuit | Switch |
| in a series circuit, electric charges must follow a | Single path |
| In a series circuit, the battery's charged particles move from its | Positive terminal to its negative terminal |
| What happens if any part of a series circuit breaks? | The circuit is open and nothing works |
| Charges have several different paths to follow | Parallel circuit |
| What happens if one of a parallel circuit breaks? | The charges can still flow along the other paths |
| To protect us from fire, what are added to each circuit? | Fuses and circuit breakers |
| How do fuses and circuit breakers work? | They switch automatically and open if charges flow too fast through a circuit |