let's do an experiment Experiments

What is the first steps of the experiment ?

• Put the balloon on the top of the bottle

• Put the bottle in the hot water bowl

• Watch what happen .the ballooon inflate

T/F

The balloon gets smaller in hot water.

• True

• Fulse

Do you use hot or cold water?

• Hot water

• Cold water

What do you need for the experiment?

• a) A cup and spoon

• A plastic bottle, balloon, and hot water

• ) A balloon and cold water

• An independent variable is the variable that is changed or controlled in a scientific experiment.

Inflate — means:

• to become bigger with air

• a rubber object that can be filled with air