Magnetism Pretest

What do magnets stick to?

• copper
• wood
• iron
• plastic

When two magnets attract, they ______________

• push apart
• change color
• get colder
• pull together

Tags

NGSS.MS-PS2-3

When two magnets repel, they ________________

• change color
• pull together
• push apart
• get colder

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Magnets have a north and a south ___________

• shape
• color
• pole
• region

Tags

NGSS.MS-PS2-5

The force of magnetism is stronger when magnets are ________________

• cold
• round
• closer together
• farther apart

Tags

NGSS.MS-PS2-3

What would increase the strength of an electromagnet?

• Increasing the amount of current flowing through the wire.
• Inserting a wooden core inside the coil
• Changing the direction of the current
• Decreasing the number of coils of wire

• 30 coils will hold 50 paperclips
• Using more coils increases the strength of the electromagnet
• 15 coils hold twice as many paperclips as 10 coils
• The more coils, the fewer paperclips the electromagnet will hold

This is a magnet made by an electric current

• temporary
• permanent
• electromagnet
• ferromagnet

Tags

NGSS.MS-PS2-5

The strongest part of a magnet is...

• the bars.
• the force field.
• the poles. 
• the middle.

What part of an atom is the most responsible for magnetism?

• Proton
• Neutron
• Electron

Tags

NGSS.MS-PS2-3