Misc
What are the two most common gases in dry air?
Oxygen and Nitrogen
What is one way the atmosphere is important to Earth?
Protects us from meteors
Protects us from the cold
Keeps oxygen available for us to breathe
What is the atmosphere?
an envelope of gases that surrounds the planet
What does "sphere" mean?
sphere.
If the oxygen level in the atmosphere were greater than 25 %, what would happen to the gasoline fuel inside cars?
Spontaneous Combustion!!!
EPA stands for
Daniel.
What is the Environmental Protection Agency
Which does not belong:
A) Altitude
B) Height
C) Weight
D) Elevation
C, Weight does not belong
What does the "photo" in "photochemical smog" mean?
Light
What is a barometer?
An instrument to measure air pressure
Plants breathe IN what molecule? (Hint: we exhale this molecule)
Carbon Dioxide CO2
"Thermo" means...
"Meso" means
What is Middle
"Strato" means
What is "Spread"
"Exo" means
What is "exit" or "out of "
"Tropo" means
What is "change"
It would be very cold without the greenhouse effect
The percentage of Oxygen in the atmosphere
What is 21 %
What is water vapor?
Water in the form of gas
Name one common type of barometer
1. Aneroid
2. Mercury
As altitude increases and you go up through the layers of the atmosphere, what happens to the density of the air molecules?
It decreases
What is 78 %
Why is the ozone layer so important? what does it protect us from?
Protects us from the sun's harmful uv rays and cancer
What is one natural source of pollution?
1. forest fires
2. soil erosion
3. dust storms
4. cows farting
What is altitude?
the distance from sea level