[P3 Science] Magnets

Which materials are non-magnetic?

• steel

• plastic

• copper

• iron

Tags

NGSS.5-PS1-3

Which object can be attracted by the bar magnet?

• feather

• wooden tray

• plastic thumbtack

• paper

• iron nail

Tags

NGSS.3-PS2-3

In which tray can the objects be separated easily with a magnet?

• 
• 
• 
• 

Answer explanation

The magnet will only attract the iron needles.

So, the magnet can be used to separate the iron needles from the plastic buttons.

Tags

NGSS.3-PS2-3

NGSS.3-PS2-4

The _____ of a magnet have the strongest attraction.

Which direction will the magnet point towards if it is allowed to float freely?

• East-West

• North-East

• North-South

• South-West

Tags

NGSS.3-PS2-3

In this diagram, when the magnets are brought closer, they will (a) _____ because the (b) _____ poles are facing each other.

• (a) attract

  (b) unlike

• (a) attract

  (b) like

• (a) repel

  (b) unlike

• (a) repel

  (b) like

Tags

NGSS.3-PS2-3

Shuwen noticed that a magnet can attract object B. What could object B be?

• a magnet

• a magnetic material

• a non-magnetic material

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

When the like poles of two magnets are facing each other, they _____.

Tags

NGSS.3-PS2-3

The diagram shows how a bar magnet interacts with a U-shaped magnet.

X is the ________ of the U-shaped magnet.

• North pole

• South pole

Tags

NGSS.3-PS2-3

Magnets A and B are hung from the same distance above the tray of pins. The diagram shows the number of pins each magnet attracted.

Which magnet is stronger?

• A

• B

Answer explanation

B is stronger because it can attract more steel pins from the same distance.

Tags

NGSS.3-PS2-3