Electricity Homework Practice
| # | Answer |
|---|---|
| 1 | Electricity is a form of energy that powers many machines and devices. |
| 2 | Robots need electricity to power their motors, sensors, and control systems. |
| 3 | A battery is one source of electricity for a robot. |
| 4 | A battery stores electrical energy and gives power to the robot. |
| 5 | The motor moves when it gets electricity. |
| 6 | A wire carries electricity from one part to another. |
| 7 | A circuit is a path that lets electricity flow. |
| 8 | When a circuit is open, electricity cannot flow. |
| 9 | When a circuit is closed, electricity can flow. |
| 10 | Robots use switches to turn electricity on and off. |
| 11 | A battery-powered toy robot is safer to touch than exposed electrical wires. |
| 12 | Sensors use electricity to help the robot detect things. |
| 13 | A light or LED may glow when electricity passes through it. |
| 14 | They must be connected correctly so the robot works properly and safely. |
| 15 | The robot will not turn on or move. |
| 16 | A fuse helps protect the circuit from too much electricity. |
| 17 | A large motor usually uses more electricity than a small LED. |
| 18 | Batteries should be kept dry to help prevent damage and safety problems. |
| 19 | Turn the robot off when it is not in use. |
| 20 | Electricity is important in robotics because it powers the robot and allows it to sense, move, and work. |