Enviro Battery Kit — Make Electricity from a Lemon

Parent guides: Easy Science Experiments for Kids at Home: Step by Step, by Age · Games That Build Your Child’s Skills, by Age: 1, 18 Months, 2, 3, 4–5 and 6+

1. Choose your power source — a lemon, an apple, or salt water.
2. Push the two electrodes into it, keeping them apart.
3. Connect the wires to the clock or the LED.
4. Watch the clock start, or the LED light.
5. Try a different source and see which one works best.

• That electricity can come from ordinary materials, seen first-hand
• Running a fair comparison — same setup, different fruit
• Careful assembly, since a loose connection means nothing happens
• Recording a result and drawing a conclusion from it

• Test three different fruits and rank them
• Try the same fruit fresh and a day later
• Write down each result before moving to the next