Discover what happens during a simple DIY balloon airplane experiment and explore how escaping air can create movement while ...

COMSTOCK PARK, Mich. — Rising air is all around us— outside and inside. It's what meteorologists call "convection." Warm air is lighter and less dense than cold air, so it has buoyancy and wants to ...

Cut the plastic bottle in half using an art knife and scissors – recommending that an adult help with this part. You can dispose of the bottom half of the bottle, as we will only be utilising the top ...