Topics Covered: Discover how batteries work. Learn about energy, electric charge, battery voltage, current and electricity, electrical circuits (series circuits and parallel circuits), and more. Learn about different kinds of batteries (alkaline battery, carbon zinc battery, rechargeable battery) and how each type of battery works.
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Projects: Lemon battery experiment: Make a lemon battery, and one from salt water too. Find out why some lemon batteries work, but most won't.
Puzzle: How to care for a battery.
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