TED-Ed
How Heavy Is Air?
It's amazing how easy it is to forget that every second of our lives we are being pushed on by an uncountable number air molecules. Explore with your class the concept of air pressure and how it affects our bodies, the earth's...
Steve Spangler Science
Heavy Newspaper - Sick Science! #025
Here is an unforgettable demonstration of the power of air! Because the column of air is about 250 miles or 400 km tall, its weight on a sheet of newspaper is enough to hold a stick in place as you smack the other end to break it....