Science Y2-3 Electromagnets Quiz

The strength of a magnet is because of its ______________.

• Magnetic field

• Size

• Shape

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which is the stronger magnetic field?

• A

• B

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A permanent magnet keeps its magnetic field.

• False

• True

A temporary magnet loses its magnetic field when it is not working.

• True

• False

To make an electromagnet we need ____________.

• Electricity

• Sun

An electromagnet is made of _______ materials.

• soft

• hard

A permanent magnet is made of ________ materials.

• hard

• soft

Tags

NGSS.MS-PS2-3

Can you change the strength of the magnetic field of an electromagnet?

• Yes

• No

Tags

NGSS.MS-PS2-3

What is a solenoid?

• It is an electromagnet made with a battery

• It is a permanent magnet

• It is a type of magnetar

What is a magnetar?

• A dead star

• A star that is alive

• A star that is very far away