Author: Steve Gregg

Hot Air Rises, Cold Air Sinks

All Activities Hot Air Rises, Cold Air Sinks Hot Air Rises, Cold Air Sinks If you live in a 2-story home, you may have noticed the following on a cold day. Perhaps you went to the second floor to find that it’s warmer upstairs than it is downstairs. This is because warm air quickly rises,...
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What is Air Pressure?

All Activities What is Air Pressure? The air around us is made up of tiny molecules that are constantly moving around.  Air pressure is the force from those molecules pushing against anything that is around them.  A simple example of this is pumping up a bicycle tire with air, which increases the number of air...
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