Magnetism

What is a permanent magnet?

• A type of temporary magnet

• A magnet that is temporarily magnetized

• A magnet that is permanently magnetized

• A magnet that is made with an electric current

What is a electromagnet?

• A type of temporary magnet

• A magnet that is temporarily magnetized

• A magnet that is permanently magnetized

• A magnet that is made with an electric current

What type of objects can become temporary magnets?

• Magnetic objects

• Metallic objects

• shiny objects

• any object

Magnets have two poles. What are they called?

• north, south

• top, bottom

• east, west

• left, right

______ poles attract each other

• Like

• Unlike

• North

• The top

Like poles ____________ each other

• attract

• repel

• cancel

• north

What is a magnetic field?

• The strength of a magnet's magnetic force

• The area of magnetic force around a magnet

• The area of magnetic force around a magnetic object

• A place where magnets are manufactured

An electromagnet is a:

• permanent magnet

• temporary magnet

• permanent circuit of electricity

• a temporary circuit of electricity

Which item is NOT needed to make an electromagnet?

• a wire

• a power supply

• a magnet

• a magnetic object

How can you make an electromagnet stronger.

• increase the voltage of the power supply

• increase the magnetic objects in the circuit

• put a light bulb in the circuit

• increase the number of coils of wire