Can you complete an LED circuit using a graphite pencil? Learn about the conductive properties of graphite and draw your own design to see it light up! This is a super quick and easy science experiment that is entertaining for both k
A lemon battery experiment involves the useof a juicy lemon, copper coin and zinc nail to form a lemon battery. When four such lemon batteries are combined, they produce enough voltage to light up an LED (light emitting diode).