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

15 Cards in this Set

  • Front
  • Back
to take something in
radiant engery/radiation
energy from the sun in form of visible light, ultravviolet light and infrared light (radiation)
heat transfer ina gas or liquid by the circulation of currents from one region to another
you think of it as weight
the combining of distinct parts or elements to form a whole.
the quality or condition of being dense. the mass per unit volume of a substance under specified conditions of pressure and temperture.
life-containing layer of the atmosphere that is the closest to the surface of the earth.
air pollution caused by weak layers of underlying material moving downslope as a single unit
nitrogen cycle
closed cycle in which the total amount of nitrogen on the earth is kept constant. Nitrogen is removed from the air to comine with other elements to form nitrogen compounds, which are used by organisms and then returned to the soil or released into the air.
greenhouse effect
a process that traps energy from the sun by allowing radiant energy to enter a given space, but preventing heat energy from escaping
air pressure
the pressure exerted by air in a prticular area
the transfer of heat energy or electrons between objects in direct contract.
an envelope of gases surrounding the earth that extends about 1000 km above the earth's surface
oxygen-carbon dioxide cycle
closed cycle where the amount of carbon and oxygen is kept constant. carbon moves through the atmosphere and into the earth as fossil fuels, in soil, and the oceans; oxygen is released into the air by plants and green algae.
gas that forms a layer in the stratosphere protecting the earth fromexcessive ultraviolet radiation