Air Pressure
1. What happens to air pressure as you move upward into the atmosphere?
a. Increases
b. Decreases
c. Stays the same
2. Which of these items is NOT a property of air?
a. It takes up space.
b. Gravity does not affect it.
c. It has weight.
3. Air pressure is greater _______.
a. At the top of the mountain
b. At the bottom of the mountain
c. At the center of the mountain
4. What is altitude?
a. How much something weighs
b. The distance above sea level
c. How far away something is
5. When going up in an elevator, your ears 'pop' because the air pressure
a. Remains the same
b. Decreases
c. Increases
6. As you climb up a mountain what happens to the air pressure?
a. Decreases
b. Increases
c. Stays the same
7. A rise in air pressure (high pressure) usually indicates
a. Heavy snows
b. Rainy conditions
c. Fair weather
8. Which kind of weather change will occur with an increase in air pressure?
a. Cooler and dryer
b. Hotter and stormier
c. Warmer and moister
9. What happens to the oxygen molecules as altitude increases?
a. Fewer molecules
b. More molecules
c. Same amount of molecules
10. Air is more and more thin as you go higher in altitude because there is ___________ at a
high altitude.
a. Less gravity and less air pressure
b. More gravity and more air pressure
c. More water vapor and more air pressure