Year 6 - Science
Variables in electric circuits: plan
Changing circuits
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
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 plan to investigate variables that may affect the brightness of a bulb in an electric circuit.
Key Notes
- A variable is any one thing in an investigation which could be changed.
- Adding other components to the circuit may affect the brightness of a bulb.
- Changing the position of the bulb in the circuit may affect how brightly it shines.
Vocabulary To Learn
- circuit: An electrical circuit is a closed loop or path that electricity can flow through to make a component work.
- brightness: The brightness of a bulb is the amount of light it produces.
- variable: A variable is something that can be changed, measured or kept the same in an investigation.
- affect: To affect something or someone is to change it or how it behaves.
Common Mistakes To Avoid
- Children may not understand how variables interact within a circuit and how changes in one variable can affect others.
3 Quick Questions (With Answers)
1. Explain the scientific idea in this lesson using two key points.
A variable is any one thing in an investigation which could be changed. Adding other components to the circuit may affect the brightness of a bulb.
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: Children may not understand how variables interact within a circuit and how changes in one variable can affect others. Correction: Teaching slides will relate the need to control variables in a comparative and fair test, to the need to do so with circuits in order to be able to relate a given variable to a measured outcome.
More Lessons In This Unit
- Changing the volume of buzzers Study Guide
- Choosing and using conductors and insulators (non-statutory) Study Guide
- Circuit symbols and diagrams Study Guide
- Components and simple circuits Study Guide
- Debating the use of electric cars (non-stat Climate Change & Sustainability) Study Guide
- Electrical careers Study Guide
- Electrical discoveries and inventions (non-statutory) Study Guide
- Electrical sensors: design (non-statutory) Study Guide
- Electrical sensors: make and review (non-statutory) Study Guide
- How electrical insulators keep us safe (non-statutory) Study Guide
- Investigating voltage: do and review Study Guide
- Investigating voltage: plan Study Guide
- Sustainable sources of electricity (non-stat Climate Change & Sustainability) Study Guide
- The position of switches: open and closed Study Guide
- Variables in electric circuits: do and review Study Guide
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