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5th weather

review for test

What is weather? the condition of the air at a given time and place
What is humidity? the amount of water vapor in the air
What are cumulus clouds? a puffy cloud that forms at almost any altitude
What are cirrus clouds? a thin, wispy cloud mostly made of ice crystals
What are stratus clouds? a cloud forming a wide sheet across the sky with its base near the earth's surface
What is fog? a stratus cloud that forms near the earth's surface
What are the 4 conditions that affect weather? temperature, wind, moisture in the air, and air pressure
How does the wind form? cold air sinks, pushing warm air up, the warm air cools as it rises and sinks. The cycle repeats itself.
What is heavier: warm air or cold air? cold air is heavier
What are the 4 parts of the water cycle? evaporation, condensation, precipitation, collection
What is evaporation? the sun heats up the water collected on Earth's surface and turns it into water vapor.
What is condensation? water vapor in the air gets cold and changes back into liquid, forming clouds
What is precipitation? it occurs when so much water has condensed that the air cannot hold it anymore, so the water falls to the earth as rain, snow, sleet, or hail
What is collection? water on earth is collected in oceans, rivers, lakes, puddles, or soaked into the ground
What are thin, wispy clouds that are made of ice crystals? cirrus clouds
What are puffy clouds that look like cotton balls? cumulus clouds
What are clouds that stretch out across the sky, like a blanket? stratus clouds
What kind of air is high pressure made of? heavy, cold air
What kind of sky does high pressure usually bring? clear skies
What kind of air is low pressure made of? light, warm air
What kind of skies does low pressure usually bring? cloudy skies
What direction does wind travel? high pressure to low pressure
Created by: cariherbst