Mon Prof Augmenté
Sunlight to Spinning Propeller
Age 11 · Technology
A solar cell catches sunlight and makes electricity. That electricity travels along wires to a small motor, which spins a propeller.
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Age 11: open this week
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In the picture
- Solar cell: turns light energy into electrical energy
- Electric motor: turns electrical energy into spinning motion
- Propeller: the spinning motion you can see
Examples
- A solar toy car that drives off as soon as sunlight hits its panel.
- A solar garden fountain that pumps water up into the air.
Key takeaways
- Energy only changes form, it is never used up.
- Light can become electricity, and electricity can become motion.
Quiz: Sunlight to Spinning Propeller (Age 11)
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In the solar cell, what does light energy change into?
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What does the electric motor change electrical energy into?
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What happens to energy as it moves through this chain?
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