Shocking Facts
What is an electrical charge?
Energy that makes things attract or repel.
What are the two ends of the magnet called?
North Pole and South Pole
When two things have the same charge, do they attract or repel?
What is an electromagnet?
A magnet that uses electricity to work
You have a bag of mixed objects: a paperclip, a penny, a plastic spoon, and a crayon. Which one will a magnet pick up?
a paperclip
What happens when two objects have the same charge?
They repel or push on each other
What happens when two opposite poles come close to each other?
They stick OR attract to each other.
Name something that a magnet cannot stick to.
Plastic, Wood, or Paper
What happens when electric current flows through a wire?
It creates a magnetic field.
You have two magnets. When you try to put them together, they push apart. What could be the problem?
You’re putting the same poles together—north to north or south to south.
When you rub a balloon on your hair, what happens to the balloon’s charge?
It becomes negatively charged
Name a metal that is magnetic.
Iron, Steel, or Nickel
A north side of a magnet and a south side of a magnet will?
Attract.
What do you need to make an electromagnet?
A battery, wire, and a piece of metal like a nail.
Name something in your house that uses magnets.
Refrigerator door, speakers, cabinet latches, etc.
What is Static Electricity?
When electric charge builds up on something. Ex. rubbing a balloon on someone's hair and it becomes charged.
What is the invisible area around a magnet where it pulls things?
Magnetic Field
What does it mean to “attract” something?
Pull together
Where might you see an electromagnet in real life?
In junkyards, doorbells, speakers, or MRI machines.
What tool do doctors use that has a giant magnet inside?
An MRI machine
What is one way you can create static electricity?
Rub a balloon on your hair or socks on carpet.
Where is a magnet the strongest?
At the north and south poles.
What does it mean to “repel” something?
Push Apart.
Why is an electromagnet different from a regular magnet?
The magnetism can be turned on and off based on the electricity.
Why do junkyards use big electromagnets?
To move and separate trash.