Lemon Battery
A fruit produces measurable electrical voltage.
Teaching & key ideas
What you do: Insert two metals and measure voltage.
What students see: A fruit produces measurable electrical voltage.
Why it works: Chemical reactions at different metals create an electric potential.
Question to ask: Is the lemon storing electricity like a normal battery?
Lesson flow
Predict → demonstrate → observe → briefly explain → ask: Is the lemon storing electricity like a normal battery?