All Activities Hot Air Rises, Cold Air Sinks Activity 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...
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...
