Answer these questions after watching the video
What is the name of the Muppet science assistant in the first part of the video who often gets injured during experiments?
What do junkyards (like the one in the video) use to move large piles of metal?
Rare Earth Magnet
What is the name of the negatively charged particles that orbit around an atom's nucleus?
All particles orbiting around the nucleus generate a magnetic field?
All atoms generate a magnetic field
Why does iron have a net magnetic field
How can I make a non-magnetic piece of iron magnetic?
Melt it down and cool it very quickly
Hit it with another iron object
Rub it against something that is already magnetic
Run an electric current through it
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