S1 Science final test

 

Paper clips are made of steel wire. The picture shows paper clips around two different types of magnets.                                              

- Why are the paper clips bunched at the ends of each magnet?

• A. The magnetic force at the poles of each magnet are strongest, so they attract more paper clips.

• B. The paper clips are only touching the poles, so they are not attracted to other parts of the magnet.

A magnet can attract any material that is made from­­­­­____

• wood

• plastic

• iron

The picture shows the poles of magnets interacting. Circle the pairs of magnets that will attract each other. Choose two correct answers.

Which of the following is an insulater?

• metal

• wood

• steal

Magnets can interact without touching.

• True

• False

The liquid is a matter that is hard or firm, keeping a clear shape.

• True

• False

Electricity is an invisible force.

• True

• False

A liquid can be turned into ice or another solid as a result of extreme cold could freeze.

• True

• False

Most clouds are made of ice crystals and water droplets.

• True

• False

The largest natural magnet on Earth is the fridge magnet 

• True

• False