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Composition
Pressure
Layers
Energy
Misc.
100
78% of the atmosphere.
What is the percentage of nitrogen in the air?
100
The density of air when there is less mass in a given volume.
What is less dense?
100
Weather occurs here.
What is the troposphere?
100
Most of the sun's energy travels to Earth in this form.
What is visible light?
100
The layer of gases that surrounds Earth.
What is the atmosphere?
200
21% of the atmosphere.
What is the percentage of oxygen in the air?
200
Mass/ Volume
What is density?
200
This layer protects us from meteroids.
What is the mesosphere?
200
Most incoming UV radiation is absorbed by this.
What is ozone?
200
The condition of Earth's atmosphere at a particular time and place.
What is weather?
300
When air pollutants react in the presence of sunlight.
What is photochemical smog?
300
An instrument used to measure air pressure.
What is a barometer?
300
The hottest layer of the atmosphere.
What is the thermosphere?
300
The name for heat transfer when columns of warm fluid rise, cool, and sink.
What is convection?
300
This occurs when dust particles and gases reflect light in all directions.
What is scattering?
400
The major human activity responsible for smog and acid rain.
What is burning fossil fuels?
400
Air pressure and air density do this at high altitude.
What is decrease?
400
The layer in which temperature rises due to absorption of UV radiation.
What is the stratosphere?
400
Two things that can happen to energy from the sun at Earth's surface.
What are absorption and reflection?
400
The visible light with the longest wavelength.
What is red light?
500
Provides for conditions that living things need to survive on Earth.
What is the atmosphere?
500
This occurs with oxygen as you climb a mountain.
What is less oxygen per unit volume? ( Density decreases but percentage does not)
500
The main layers of Earth's atmosphere are classified according to changes in this.
What is temperature?
500
The process that traps radiated energy from Earth's surface by gases in the air.
What is greenhouse effect?
500
A form of energy from the sun that can travel through space.
What is electromagnetic wave?