Imagine a battery like a tiny chemical factory. Inside, there are tiny workers, called ions and electrons, that do jobs to make electricity. When you turn on your toy car or phone, these workers start running around, making energy from chemical reactions. When the battery is full, it stops working until you recharge it by giving it more power.
Examples
- Your phone stops working when its battery runs out of chemical workers to make electricity.
- A toy car charges up by putting extra power back into the battery.
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