We need a plastic latex glove, plastic bottle, and water container to create a simple water-powered air pump. By cutting a bottle in half and fitting a glove over the top, then submerging the bottle, trapped air inside presses against the glove and inflates it under water.

1. Hello our friends!

2. What we need:
• a plastic latex glove, a plastic bottle and a
water container.
Process
• We cut the bottle in 2 parts and then we fit
the glove on the top of the bottle. We put
the bottle in the water.
Explanation
• When we put the bottle in the water the air
that is trapped inside the bottle is pressed
and the glove is filled with air.