Experiments at Greenwood Groove Academy Mombasa
POTATO POWERED CLOCK This is what you will need for the experiment: - 2 potatoes (or cut one potato in half) - 2 short lengths of copper wire - 2 galvanized nails (please note that not all nails are galvanized or zinc-coated) - 3 alligator clip wire units (alligator clips connected to each other with wire) - 1 low-voltage LED clock