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Year 6 - Science

Components and simple circuits

Changing circuits

Unit Summary

This unit explores how circuit components like lamps and buzzers function, including the effect of cell number and voltage. It covers using symbols in circuit diagrams, planning scientific enquiries, taking precise measurements, recording data, and presenting findings with evidence and conclusions.

Lesson Summary

You will learn to build and test a range of simple circuits using common components.

Key Notes

  • The basic elements of an electrical circuit are called components.
  • A complete electrical circuit is made when all components are connected together correctly.
  • A flow of electricity moves from the positive terminal to the negative terminal of the cell or battery.
  • The flow of electricity is pushed by the cell or battery, through the wires to the other components in the circuit.

Vocabulary To Learn

  • circuit: An electrical circuit is a closed loop or path that electricity can flow through to make a component work.
  • component: A component is a device in a circuit that has a specific function.
  • cell: A cell is a single unit that is needed for electricity to flow around a circuit.
  • battery: When two or more cells are used together, it is called a battery.
  • terminal: Cells and batteries have a negative and positive terminal.

Common Mistakes To Avoid

  • Electricity is stored within a cell or battery.

3 Quick Questions (With Answers)

1. Explain the scientific idea in this lesson using two key points.

The basic elements of an electrical circuit are called components. A complete electrical circuit is made when all components are connected together correctly.

2. Define this scientific word and use it in context. 'circuit'

An electrical circuit is a closed loop or path that electricity can flow through to make a component work. Include the word in a full scientific explanation, not as a single label.

3. Correct this common scientific misunderstanding.

Mistake: Electricity is stored within a cell or battery. Correction: Children will model and learn that the battery provides the push to start the flow of electricity rather than being the store of it.

More Lessons In This Unit

Browse all guides in the Year 6 Science guide library.