Help your students understand how protons are the positively charged particles and electrons are the negativley charged particles by charging their own iPod with an onion. Um you can charge your iPod with an onion?
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).
Hi-Low Tech Example Project Electronic Origami Flapping Crane w/ tutorial by Jie Qi. This is a simplified version of the SMA flapping crane. When you pinch the tail, the wings curl down and when you let go, the wings rise back up.