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Cards In This Set
| Front | Back |
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The state of the atmosphere at a specific time and place
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Weather!
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Name 4 conditions that are involved with weather.
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1. air pressure
2. wind
3. temperature
4. amount of moisture in air (humidity)
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When water is evaporated from the atmosphere, what does it form?
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 CLOUDS! |
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Name 2 reasons the sun is important.
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1. Provides most of the Earth's energy
2. Evaporates water into our atomophere
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What causes our weather?
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Uneven heating of the Earth's surface
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Are air molecules always in motion?
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YES!
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___ is the measure of the average amount of motion of molecules.
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Temperature
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What type of motion is associated with high temperatures?
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Rapid or fast movement
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What type of motion is associated with colder temperatures?
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 Slow movement of molecules |
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___ is air that moves in a specific direction.
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Wind
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As air is warmed, what does it do?
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Expands and becomes less dense
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Does warm air have high or low pressure?
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Low pressure because the molecules are spread farther apart
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Does cooler air have high or low pressure?
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High (dense) pressure
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What instrument is used to measure wind speed?
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 Anemometer |
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What instrument is used to measure wind direction?
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Wind vane and a wind sock
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