The Water Cycle
What process occurs when liquid water changes into water vapor?
Evaporation
Which clouds are thin, wispy, and found high in the atmosphere, often indicating fair weather?
Cirrus clouds
What are the relative humidity and dew point with the following information:
Dry bulb temperature: 25 C
Wet bulb temperature: 20 C
Relative humidity: 63%
Dew point: 17 C
What symbol represents a cold front on a weather ma? (describe with words or draw)
A blue line with triangles pointing in the direction of movement.
In a high pressure system, is air rising or sinking?
Sinking
What process forms clouds when water vapor cools and turns into liquid droplets?
Condensation
Which clouds are tall, puffy clouds with flat bases that often indicate fair weather but can grow into storms?
Cumulus clouds
What are the relative humidity and dew point with the following information:
Dry bulb temperature: 30 C
Wet bulb temperature: 24 C
Relative humidity: 58%
Dew point: 20 C
What symbol represents a warm front? (Describe in words or draw)
A red line with semicircles pointing in the direction of movement.
Clear skies and calm weather
What is the term for water falling from clouds to Earth as rain, snow, sleet, or hail?
Precipitation
Which clouds form a gray, uniform layer that often brings steady rain or snow?
Nimbostratus clouds
What are the relative humidity and dew point with the following information:
Dry bulb temperature: 20 C
Wet bulb temperature: 18 C
Relative humidity: 85%
Dew point: 17 C
What symbol represents a stationary front? (Describe in words or draw)
Alternating red semicircles and blue triangles on opposite sides of the line.
In a low pressure system, is air rising or sinking?
Rising
What process occurs when plants release water vapor into the atmosphere?
Transpiration
Which clouds are tall storm clouds that produce heavy rain, thunder, lightning, and sometimes tornadoes?
Cumulonimbus clouds
What are the relative humidity and dew point with the following information:
Dry bulb temperature: 28 C
Wet bulb temperature: 21 C
Relative humidity: 50%
Dew point: 16 C
What symbol represents an occluded front? (Describe in words or draw)
A purple line with triangles and semicircles on the same side pointing in the direction of movement.
What type of weather is commonly associated with low pressure systems?
Cloudy, stormy, or rainy weather
What is the movement of water across land into rivers, lakes, and oceans called?
Runoff
Which clouds form in layers and may cover most of the sky but usually produce light precipitation?
Stratus clouds
What are the relative humidity and dew point with the following information:
Dry bulb temperature: 18 C
Wet bulb temperature: 15 C
Relative humidity: 72%
Dew point: 13 C
Which front usually moves the fastest and often brings thunderstorms?
Cold front
In the Northern Hemisphere, which direction do winds rotate around a low pressure system?
Counterclockwise