What happens to air pressure as you move upward into the atmosphere?
increases
decreases
stays the same
2. Multiple Choice
30 seconds
1 pt
A device that is used to measure atmospheric pressure is a ___________.
barometer
thermometer
kilometer
micrometer
3. Multiple Choice
20 seconds
1 pt
Air pressure is greater _______.
at the top of the mountain
at the bottom of the mountain
at the center of the mountain
4. Multiple Choice
20 seconds
1 pt
Density of air is greater ________.
at the top of the mountain
at the bottom of the mountain
at the center of the mountain
5. Multiple Choice
1 minute
1 pt
what are isobars?
lines connecting places of equal temperature
lines drawn connecting places of equal pressure
lines drawn to places of different temperatures
lines drawn to places of different pressures
6. Multiple Choice
2 minutes
1 pt
What does the air consist of?
molecules
helium
density
weather
7. Multiple Choice
30 seconds
1 pt
What is altitude?
how much something weighs
the distance above sea level
how big something is
how far away something is
8. Multiple Choice
20 seconds
1 pt
In what direction(s) does air exert pressure?
everywhere
no where
there is no pressure
downward
9. Multiple Choice
30 seconds
1 pt
78% of earth's atmosphere is composed of ______________.
methane
oxygen
argon
nitrogen
10. Multiple Choice
20 seconds
1 pt
What happens to the amount of oxygen molecules as altitude increases?
fewer molecules
more molecules
same amount of molecules
nothing happens to the molecules
11. Multiple Choice
3 minutes
1 pt
Which weather condition will most likely occur when the atmospheric pressure in an area begins falling?
dry
cold
rainy
sunny
12. Multiple Choice
3 minutes
1 pt
Which kind of weather change will occur with an increase in air pressure?
cooler and dryer
colder and rainier
hotter and stormier
warmer and moister
13. Multiple Choice
1 minute
1 pt
In the morning, Carlos noticed that the air pressure reading on the barometer was beginning to drop. What kind of weather can he most likely expect in the evening?
The weather will be cloudy with a chance of rain.
The weather will be warmer with clear skies.
The weather will be clear and windy.
The weather will be sunny and cool.
14. Multiple Choice
1 minute
1 pt
On a cold, cloudy day, the local weather forecaster predicts that a high pressure system will be moving into the area in the next 24 hours. Which weather conditions will this system most likely bring to the area?
stormy
sunny
snowy
hot
15. Multiple Choice
3 minutes
1 pt
Which is most associated with a thunderstorm?
low air pressure
high air pressure
winds blowing from the West
winds blowing from the East
16. Multiple Choice
15 minutes
1 pt
What Causes differences in air pressure around earth ?
Warm air rises at the equator, and cold air sinks at the poles.