Unit 5: Electric/Magnetic Forces

Magnetism is....

• The part of the magnet where the force is the strongest
• A force created by magnets that pulls some metals
• To Pull towards
• An object able to pull some metals towards itself

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Poles are ....

• The part of the magnet where the force is the strongest
• A force created by magnets that pulls some metals
• To Pull towards
• An object able to pull some metals towards itself

Do these magnets attract or repel? 

• Attract
• Repel

Do these magnets attract or repel?

• Attrack
• Repel

Tags

NGSS.MS-PS2-3

How is a permanent magnet DIFFERENT from a temporary magnet?

• A permanent magnet attracts materials made of iron.
• A permanent magnet has poles.
• A permanent magnet has a magnetic field.
• A permanent magnet keeps its magnetism for a long time.

True or False: All metals stick to magnets.

• True
• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

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

• at the poles
• in the middle
• above the magnet
• below the magnet

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Earth's magnetic field and a bar magnet attract particles to the same locations. Where are they?

• The middle
• All around the outside
• The north and south poles
• First to the middle, then to the ends

Why does a compass needle point north?

• The compass is a bar magnet
• Because north is up
• Because it's magic
• It lines up with the Earth's magnetic field

This large crane magnet functions only when the electrical current is ON.  The crane magnet is an example of what type of magnet?

• NIB Magnet
• Ceramic Magnet
• Electromagnet
• funnel magnet

Tags

NGSS.MS-PS2-3