Properties of Air
Atmosphere
Heat
Weather Factors
Climate
100
21% of air is made of this gas.
What is oxygen?
100
This part of the atmosphere has electrically charged ions.
What is the ionosphere?
100
Most of the energy from the sun is this type.
What is infrared radiation?
100
Cooling of air and this are the two conditions necessary for clouds to form.
What are particles.
100
The average year-after-year conditions of temperature, precipitation, winds, and clouds in an area.
What is climate
200
This is the process by which water heats up and becomes a gas.
What is evaporation?
200
Weather occurs in this layer.
What is the troposphere?
200
This type of front is formed when a rapidly moving cold air mass pushed a warm air mass upward.
What is a cold front?
200
These are the types of clouds that produce thunderstorms.
What are cumulonimbus clouds?
200
The process by which Earth's atmosphere traps heat.
What is the Greenhouse Effect.
300
Air has pressure because of this.
What is the molecules in air have mass.
300
This layer contains the ozone layer.
What is the stratosphere?
300
Heat is transfered when two objects are touching.
What is conduction?
300
Warm air rises because of this property of air.
What is less dense?
300
The hypothesis that states that Earth's climate is changing because of natural processes.
What is the Climate Variation Hypothesis
400
This happens to the density of air as altitude increases.
What is decreases?
400
The temperature at which water vapor condenses back into a liquid (when clouds form).
What is the dew point?
400
This type of air mass contains warm, humid air.
What is maritime tropical?
400
Wind is caused by these two factors.
What is changes in air pressure and uneven heating.
400
Burning fossil fuels increases amounts of this gas in our atmosphere.
What is carbon dioxide
500
Air masses coming to North America from Canada are likey to be cold and ________.
What is dry.
500
Between land and water, this heats up faster.
What is land?
500
Heating of Earth's atmosphere when warm air rises and cool air sinks.
What are convection currents?
500
This is the percentage of water vapor the air is holding compared to the total amount the air is able to hold.
What is relative humidity?
500
CFCs from human activities are being added to our atmosphere which is causing this to happen.
What is ozone depletion.
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