Investigating voltage: plan
I can plan to investigate how voltage affects the brightness of a bulb in a circuit.
Investigating voltage: plan
I can plan to investigate how voltage affects the brightness of a bulb in a circuit.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- A cell is a single unit that is needed for electricity to flow around a circuit and a battery is a group of cells.
- The V on a cell stands for volts, and is a measure of the size of electrical push it provides to a circuit.
- Cells or batteries with a higher voltage provide a stronger electrical push to a circuit.
- Adding more cells creates a higher voltage and a stronger electrical push to a circuit.
- Scientists plan different types of enquiries to find answers to questions.
Keywords
Cell - A cell is a single unit that is needed for electricity to flow around a circuit.
Battery - When there are two or more cells working together, we call it a battery.
Voltage - Voltage is a measure of the size of the push provided by a cell or other source of electricity.
Affect - To affect something or someone is to change it or change how it behaves.
Brightness - The brightness of a bulb is the amount of light it produces.
Common misconception
Voltage of a cell is proportional to the size of the cell. Voltage is a tangible substance rather than a measure of electrical “push”.
Teaching slides and CfUs will clarify that voltage is a measure of the size of the push provided by a cell or other source of electricity and that cell size is not proportional to voltage.
Equipment
A range of cells or batteries.
Content guidance
- Exploration of objects
Supervision
Adult supervision recommended
Licence
Lesson video
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Starter quiz
6 Questions
Exit quiz
6 Questions
a measure of the electrical push a cell provides to a circuit
the units of electrical push