Most of us have inflated a balloon, but have you ever noticed the difference in temperature between an inflated balloon and a deflated balloon? STEP 2: Deflate the balloon and then quickly feel the ...
You will need some warm water, a small clean plastic soda bottle, a packet of yeast, 1 tablespoon of sugar, and a small balloon. First, you need to fill the bottle p with bout 1 inch of warm water.
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 ...