SCIENCE GRADE 4

.......... is the mixture of gases.

• water

• oxygen

• air

............. is used by humans for breathing.

• oxygen

• nitrogen

• carbon dioxide

Plants use .......... to make their own food.

• plants

• carbon dioxide

• oxygen

........... is the space around the magnet.

• space

• magnetic field

• air

........ is something that gives an object energy to move.

• force

• object

• pull

You can use ......... force to take off the glove.

• pull

• push

• energy

The ends of a magnet are called ?......

• north

• south

• poles

.......... are materials that block all light.

• translucent

• transparent

• opaque

........... lets some light to pass through

• opaque

• translucent

• transparent

Magnets have a south pole and a ....... pole.

• magnetic

• north

• force