More batteries, brighter bulb
Associate the brightness of a lamp or volume of a buzzer with the number and voltage of cells used in a series circuit
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Can your child explain why adding a second battery makes the bulb brighter, and predict what happens with three batteries?
Associate the brightness of a lamp or volume of a buzzer with the number and voltage of cells used in a series circuit
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Check understanding
- Describe the pattern: more cells (or higher voltage) = brighter bulb / louder buzzer
- Explain that more cells provide more energy to the circuit
- Predict the effect of changing the number of cells on a component's behaviour
“Can your child explain why adding a second battery makes the bulb brighter, and predict what happens with three batteries?”
Curriculum record
- Type
- Conceptual
- Subject
- Science
- Domain
- Energy
- Age range
- Ages 10–11
Standards