Atmosphere: - A layer of gases around Earth - Holds the heat close to the Earth's Surface
Air- takes up space has weight weight is called air pressure
Air pressure- high in mountain- LESS air pressing down on Earth - Air pressure on a mountaintop is lower than it is at the bottom of the mountain - Air pressure would increase if you go down into a deep canyon Weather- the conditions of the atmosphere at a certain place and time
Click arrow to view 10 minute video on air:
Altitude= height above sea level
top of the mountain: air pressure lowest
bottom of mountain air pressure highest
Man oh man, does air have weight!
*The weight of air presses down on Earth all the time.