Composition of Atmosphere
This gas makes up 78% of the Earth's atmosphere
What is Nitrogen?
Name one greenhouse gas.
What is CO2, ozone, methane or water vapor?
Honey settles to the bottom of a container because it is the __________ dense.
What is most?
The lowest layer of the atmosphere, where weather occurs
What is the Troposphere?
What percentage of the atmosphere does oxygen make up?
What is 21%?
The glass of the Earth's "greenhouse" is the
What is atmosphere?
Air pressure _______________ with altitude.
What is decreases?
The stratosphere contains _____________, which protects us from the Sun's radiation.
What is ozone?
Oxygen and Nitrogen together make up this percentage of air in the atmosphere
What is 99%?
The greenhouse effect warms the Earth because of these
What are trapped gases?
What is temperature?
Air pressure is the lowest in this layer.
What is Exosphere?
What is the name for gases that make up 1% of the atmosphere's air?
What are trace gases?
What are two ways that humans can increase CO2 in the atmosphere?
What is burn fossil fuels, breathe, drive cars, produce things in factories?
Temperature DECREASES with altitude in these two layers
What is the Troposphere and Mesosphere?
The names of each of the atmosphere's boundaries end with this
What is "pause"?
What is ozone, Argon, water vapor or CO2?
What would happen on Earth without the greenhouse effect?
What is the drastic cooling of the Earth? (we would no longer survive)
Temperature INCREASES with altitude in these two layers
This lower part of the thermosphere allow radio communication to occur
What is the Ionosphere?