Daily Test: Magnets

Where is the force of attraction the strongest on a magnet?

• above the magnet

• below the magnet

• at the poles

• in the middle

The history of Magnet is from...

• Lodestone

• Red stone

• Magnetized

• Black stone

What will happen when these magnets are brought close together?

• They will attract each other.

• They will repel each other.

• Both magnets will turn to the left

• Both magnets will turn to the right

What do the lines around this magnet represent?

• North Pole

• South Pole

• Magnetic Declination

• Magnetic Field

I keep magnetism for a short amount of time. What am I?

• permanent magnet

• temporary magnet

• lines of force

• magnetism

Magnetic materials are ....

• iron

• steel

• cobalt

• wood

• plastic

A type of magnet that has temporary magnetic effect when electric current flows through it.

This refer to

• Electric

• Electronic

• Electrostatic

• Electromagnet

This is a picture of a simple electromagnet. How can the electromagnet be made stronger?

• Add more coils of wire to the nail.

• Use a smaller battery.

• Reverse the poles of the magnet.

• Remove all the coils and the nail.

Objects that keep their magnetic properties for a long time are called ____.

• temporary magnets

• permanent magnets 

• magnetic domains

• electromagnets

The diagrams show an iron nail in four different situations. In which diagram will the nail become an induced magnet?

• A

• B

• C

• D