Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

13 Cards in this Set

  • Front
  • Back
What kind of clouds are low and flat and sometimes cover the sky like a blanket that rain and snow fall from?
Stratus clouds
What kind of clouds form as warm, moist air moves high into the sky?They are often seen during fair weather.
Cumulus clouds
What clouds form high in the sky in cold temperatures and are made mostly of ice crystals? They move quickly and mean that warm air is on the way.
Cirrus Clouds
Does cold air hold more or less water vapor than warm air?
How does water move through the water cycle?
Water evaporates into the air. The water vapor condenses and forms tiny drops. Clouds are formed. The clouds get heavy causing water drops to fall as rain.
What are the three steps in the water cycle?
Evaporation, Condensation, and Precipitation
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?
From west to east.
What happens when there is a cold front?
The warm air rises quickly and cools rapidly, causing huge storm clouds. Cold fronts move quickly so the storm is brief.
What happens when there is a warm front?
The warm air slides slowly over the cold air mass forming cirrus clouds followed by lower thick clouds. Rain may last several days.
What tools do weather stations use?
satellites, weather balloons
How do weather forecasts help people stay safe?
They allow people to prepare for changing weather conditions.