Cut the wire into three pieces: one that is about 18 inches long, and two that are about 12 inches long. Strip about an inch of insulation off the ends of all three pieces of wire. On the longest piece of wire, blacken the top half of the stripped wire with a permanent marker.
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See how electricity flows through a circuit that you build.
Feel the physics and consider the chemistry of natural phenomena like tornados and avalanches.
Jump onboard this journey through the Canadian Rockies by train!