Use a voltage sensor to measure voltage produced by a lemon battery with copper and zinc electrodes, then use their data to design a lemon battery that produces enough voltage to light an LED.
Supports PASCO's Chemistry Starter Lab Station:
pasco.com/product/ec-6362
and Chemistry Extension Lab Station:
pasco.com/product/eb-6363
Find this activity's free student and teacher files here in PASCO's Experiment Library:
www.pasco.com/resources/lab-experiments/624