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13 Cards in this Set

  • Front
  • Back
What kind of clouds are low, flat, and sometimes cover the sky like a blanket. Cause rain and snow.
Stratus clouds
What kind of clouds form as warm, moist air moves high into the sky?Seen during fair weather
Cumulus clouds
What clouds form high in the sky in cold temperatures and are made of ice crystals? They move quickly and indicate warm air is on way
Cirrus clouds
Does cold air hold more or less water vapor than warm air?
How does water move through the water cycle?
Water evapor. into the air. Vapor condenses and forms tiny drops. Clouds are formed and get heavy cause water to fall as rain.
What are the three steps in the water cycle?
What causes weather to change?
Moving air masses
What causes air masses to move?
Differences in air pressure and wind
How do air masses usually move in the USA?
West to east
What happens when there is a cold front?
Warm air rises and cools quickly causing huge storm clouds. Cold fronts move quickly so storm is brief.
What happens when there is a warm front?
Warm air slides slowly over cold air mass causing cirrus clouds, followed by lower thick clouds. Rain may last several days
What tools do weather stations use?
satellites, weather balloons
How do weather forcasts help people stay safe?
Allow people to prepare for changing weather conditions.