Switches
I can explain how a switch is used to open and close a circuit.
Switches
I can explain how a switch is used to open and close a circuit.
Lesson details
Key learning points
- Switches are used to control circuits.
- Switches can break a circuit by making a space between components where the electricity cannot flow.
- Switches are used to turn bulbs, buzzers and motors on and off.
- Different types of switches are used to control many electrical appliances we use everyday.
Common misconception
All electrical appliances and circuits use the same type of switch.
Children will be introduced to a wide range of switches.
Keywords
Switch - A switch is part of an electrical circuit than can stop or allow electricity to flow.
Control variable - Control variables are variables that are kept the same throughout an investigation.
Circuit - An electrical circuit is a closed loop or path that electricity can flow through to make a component work.
Complete - A complete electrical circuit is made when all components are connected together correctly and there are no breaks in the circuit.
Incomplete - An incomplete electrical circuit is made when the components are not connected together correctly or there are breaks in the circuit.
Equipment
Equipment for building simple switches: cells, wires, switches, bulbs, buzzers and motors and resources for children to build their own switches.
Content guidance
- Risk assessment required - equipment
Supervision
Adult supervision required
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
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Starter quiz
6 Questions
Exit quiz
6 Questions
