Magnet Basics
What is a force that can pull certain objects toward a magnet?
Magnetism
True or False: A paper clip can be attracted to a magnet?
True
What happens when two north poles are brought together?
They repel/push away from each other?
Can you see a magnetic field with your eyes?
No
What common object uses a magnetic to help it stick to a refrigerator?
A refrigerator magnet
What are the two ends of a magnet called?
Poles
Which material is usually attracted to a magnet? Iron, plastic, or glass
Iron
What happens when a north pole and a south pole are brought together?
They attract/pull towards each other.
What is the area around a magnet where magnetic forces can act?
Magnetic Field
What device uses magnets to produce sound?
A speaker
What are the names of the two poles of a magnet?
North and South
True or False: All metals are attracted to magnets?
False
Complete the rule: Like poles _____; Opposite poles ______.
Where is a magnet's magnetic force generally strongest?
Near it's poles
How can magnets help a junkyard worker separate some objects from other materials?
A magnet can attract and lift magnetic metals such as iron and steel.
What happens when you break a magnet in half?
Each piece ha a north and south pole
Which would most likely be attracted to a magnet: A wooden pencil, and iron nail, or a rubber eraser?
An iron nail
A magnet has its north pole facing another magnets north pole. What force will you feel?
Repulsion/pushing apart
What can you use to make a magnetic field visible?
Iron fillings
Why are magnets useful in electric motors?
Magnetic forces help create motion that make the motor work.
What invisible force surrounds a magnet and can affect magnetic materials?
A magnetic field
A spoon does not stick to a magnet. Does this mean it cannot be made of metal? Why or why not?
No, some metals, such as aluminum, are not strongly attracted to magnets.
Why might two magnets seem to push away from each other without touching?
Their magnetic fields interact and create a repelling force.
If you move a magnetic object farther away from a magnet, what generally happens to the magnetic force?
It gets weaker.
Name two every day objects or devices that use magnets?
Ex: speakers, headphones, door catches, motors, compasses, refrigerator magnets, magnetic locks.