[P3 Science] Magnets

Front

Which object can be attracted by the bar magnet?

Back

iron nail

Front

The _____ of a magnet have the strongest attraction.

Back

poles

Front

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

Back

North-South

Front

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

Back

attract, unlike

Front

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

Back

repel

Front

X is the ________ of the U-shaped magnet.

Back

South pole

Front

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?

Back

B

Answer explanation

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

Front

Which of the following statements is correct? Magnets repel non-magnetic materials., Magnets attract magnetic materials., Magnets attract all objects made of metals.

Back

Magnets attract magnetic materials.

Answer explanation

Explanations for wrong options:

Option 1:

Magnets do not interact with non-magnetic materials.

Option 3:

Some metals, like copper and aluminium, are non-magnetic.

Front

What will happen when a plastic rod stroked with a magnet 40 times is placed near steel clips?

Back

None of the steel clips will be attracted to the rod.

Answer explanation

Plastic is a non-magnetic material. It cannot be magnetised (made into a magnet).

Front

What happens if we increase the number of strokes on an iron nail?

Back

The iron nail will become a stronger magnet.