Author name: Steve Gregg

Why Does Hot Air Rise? If you live in a 2-story home, you may have noticed the following on a cold day. Perhaps you went to the upper floors to find that it’s warmer upstairs with a lower temperature downstairs. This is because warm air quickly rises even when the temperature differences are small. But […]

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 molecules in the tire pushing against