Shared Flashcard Set

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Gourgoulianis
Weather
21
Science
7th Grade
04/25/2014

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Cards

Term
Why is there uneven heating of the Earth's surface?
Definition
Because of the differences on Earth's surface
Term
How is this heat redistributed?
Definition
By air and water currents
Term
Humidity
Definition
Amount of water vapor in the air
Term
Weather
Definition
State of the atmosphere at a specific time & place
Term
Wind
Definition
Air moving in a specific direction
Term
Temperature
Definition
Measure of average amount of motion in molecules
Term
Anemometer
Definition
Measures wind speed
Term
Wind vane
Definition
Measures wind direction
Term
Fog
Definition
Stratus cloud formed near the ground
Term
What are 3 factors that determine the shape and height of clouds?
Definition
Temperature, pressure, and humidity
Term
What is the high elevation prefix?
Definition
Cirro
Term
What is the low elevation prefix?
Definition
Strato
Term
What is the middle elevation prefix?
Definition
Alto
Term
What cloud forms layers and usually forms at low altitudes?
Definition
Stratus cloud
Term
What cloud are masses of puffy white clouds and forms at high altitudes?
Definition
Cumulus cloud
Term
What cloud is fibrous or curly and can indicate approaching storms?
Definition
Cirrus cloud
Term
Clouds associated with rain or snow have which Latin term associated with them?
Definition
Nimbus
Term
What are the four types of precipitation?
Definition
Rain, snow, hail, sleet
Term
What factors determine which type of precipitation will fall?
Definition
Rain- Drops of water falling in temperatures above freezing fall as rain.
Snow- When the air temperature is so cold that water vapor changes directly to a solid.
Sleet- When raindrops pass through a layer of freezing air near Earth's surface, forming ice pellets.
Hail- When water freezes in layers around a small nucleus of ice.
Term
How do clouds form?
Definition
1. Water evaporates
2. Warm water vapor rises
3. Water vapor cools, condenses around dust
4. Water droplets form clouds
Term
All 8 Latin prefixes
Definition
1. High altitude- cirro
2. Low altitude- strato
3. Middle altitude- alto
4. Means rain- Nimbus
5. Puffy cloud with a flat base- Cumulus
6. Thunderhead- Cumulonimbus
7. Low carpet of rain clouds- Nimbo stratus
8. Middle level puffy cloud- Alto cumulus
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