Electricity | Mini Lesson
Students learn the basic ideas of electricity needed to understand how robots get power and how simple circuits work. The lesson focuses on voltage, current, resistance, and safe handling in a robotics context.
| Term | Definition |
|---|---|
| Electricity | A form of energy that can flow through wires and power devices. |
| Voltage | The push that moves electricity through a circuit. |
| Current | The flow of electricity in a circuit. |
| Resistance | A force that slows the flow of current. |
| Circuit | A complete path that electricity can follow. |
| Component | A part of a robot or circuit, such as a battery, motor, or LED. |
Ask: 'What parts of a robot need electricity?' Show a battery and one robot component.
Share quick ideas and name devices they know that use electricity.
Explain voltage, current, and resistance using a water-flow analogy. Point out how electricity travels in a closed circuit.
Listen, take brief notes, and answer simple questions.
Model a simple circuit with a battery, wires, resistor, and LED or motor. Show what happens when a connection is removed.
Observe, predict what will happen, and help identify each part.
Have students label parts of a circuit diagram or match vocabulary to pictures. Circulate to support.
Work individually or in pairs to complete the task and discuss answers.
Review the three key terms and ask students to explain why a robot needs a closed circuit.
Respond with a partner or whole-class share-out.
Exit by reviewing that robots need a complete circuit, a power source, and the right parts connected safely. Ask each student to say one new thing they learned about electricity.
Draw a simple robot power circuit and label the battery, wires, and one output device such as an LED or motor. Write 2 to 3 sentences explaining how the circuit works.