If a child can't learn the way we teach, maybe we should teach the way they learn. - Ignacio Estrada
Sunday, August 10, 2014
How to Make a 3 Penny Battery
Materials:
3 pennies (made after 1982 because they contain 99.7% zinc)
cardboard pieces (cut to the size and shape of a penny)
aluminium foil
vinegar
wiring
calculator
LED bulb