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The Atmosphere Main Ideas: The _____________________ is divided into layers. The atmosphere _____________________ life from harmful _____________________ and _____________________ the planet’s _____________________. _____________________ is caused by changes in the atmosphere due to the transfer of _____________________ in one form or another. ___________________________is driven by the solar _____________________ from the sun. The Atmosphere Atmosphere: the blanket of ________________ that surrounds our planet held by _________________ The Early Atmosphere Thought to be mostly _____________________and _____________________. Water vapor _____________________and rained to fill the _____________________. The first organisms used carbon dioxide to perform ___________________________ which made _____________________. Today’s Atmospheric Composition _____________________ _____________________ _____________________ _____________________: which forms clouds and precipitation and absorbs heat energy particles: _______________________________________________________________ ozone: a gas in the _____________ layer that absorbs harmful UV _____________________. Greenhouse gasses: gas molecules that _____________________ solar_____________________, trap_____________________, and can _____________________ the _____________________ of the atmosphere. Carbon dioxide: _____________________ Water vapor: most _____________________ Atmospheric Layers There are 5 layers of the atmosphere, divided by _____________________. Temperature is a measure of the average amount of kinetic energy of the particles in a material. (motion) _____________________ (“Exo”- means outer) outermost layer with no clear boundary It extends into space _____________________ (“therm-” means heat) Very little air here Known for its __________________________of temperatures (-112⁰ F - 2000 ⁰ F) Layer where __________________________________________ Produces the _____________________ _____________________ (Northern Lights) _____________________ (“Meso-” means middle) Air is very thin Temperature _____________________. Where _____________________ burn up and make __________________________________________. _____________________ Air is pretty thin contains the “_____________________” which is made of _____________________that protects us from harmful UV _____________________ by absorbing it This is why _____________________ in the stratosphere _____________________. _____________________ _____________________ layer that contains ________________________________. Temperature _____________________ with altitude because the Earth’s surface _____________________ it. Where all _____________________ occurs The Sun heats the Earth through _____________________. The clouds _____________________ the sun during the day and _____________________in at night. _____________________and _____________________ also absorb heat and help keep it warm at night. The _____________________ absorbs the Sun’s radiation. The ground heats the air above it through _____________________. It gets _____________________ the farther away you get from the ground. _____________________ TRIES to evenly distribute heat in the troposphere. Warm, moist air _____________________, and cool air _____________________ and rushes in to replace it. This creates _____________________. It is also how _____________________ form. All three types of energy transfer happen in _____________________. Altitude is the _____________________above sea level. The higher you go, the less air there is. Pressure is the _____________________ of the air above you The higher you go, the less air there is, so pressure _____________________ with altitude.