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

12 Cards in this Set

  • Front
  • Back
The study of the atmosphere, weather, and climate
The air that surrounds the Earth (78 % Nitrogen, 21 % Oxygen, and 1 % of other gases).
Weather, and state what causes weather
Waether is the conditions of the atmosphere at a a given period of time. It's caused by the uneven heating of the Earth's surface.
Climate is the average waether in an area, from season to season and year to year: polar and tropical Climate Zones.
Greenhouse gases
Carbon dioxide, methane gas, and water vapor. These gases cause an increase in temperature.
What's an air mass
A large body of air with similar temperature and moisture properties throughout
What determines which way air masses move
By upper air currents and prevailing winds
Which brings us cold dry air from Canada
Continental Polar
Which air mass brings us warm moist air up from the Gulf of Mexico
Maritime Tropical
What is a front and what are the two types
A front is the boundarybetween 2 air masses. A warm front is when the advancing air mass is composed of warm air, and is slower than a cold front. A clod front is when the advancing air mass is composed of cold air - more dense
In which direction do pressure systems usually move across the U.S.
Move west to East
Describe the weather low and high pressure systems bring
low pressure - bad weather
high pressure - bright, sunny days with calm weather