Start by gathering an empty water bottle, balloon, and a pushpin or scisors for later. To make sure that there is nothing wrong with the balloon, give it a test blow. Then, take the deflated balloon ...

Attach the balloon to the top of the pop bottle. The balloon will be deflated. Turn on your sink and make the water as hot as it will go (WORK WITH A PARENT) Place the bottle under the water and watch ...

EXPLANATION: All of this experiment is possible because of air pressure. When you blow up a balloon, the air goes from your lungs and hits the walls of the balloon – this creates air pressure that ...

STEP 1: Pour the water out of the water bottle. Describe the water by its observable properties. STEP 2: Insert the balloon into the water bottle and pull the neck of the balloon over the outside of ...

Have you ever tried to blow up a balloon inside a bottle? It's easy if you use science. STEP 2: Place your mouth over the opening of the empty water bottle and attempt to inflate the balloon. The air ...