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Earth's Atmosphere

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
The layer of the Earth that is just above the troposphere   Stratosphere  
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Water in droplet form is in which state of matter?   liquid  
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The layer in the stratosphere that contains a high concentration of ozone   Ozone layer  
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The layer of the atmosphere that contains a region of ions.   Ionosphere  
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The layer of the atmosphere that is closest to the Earth is the   troposphere  
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Water is gaseous form is called water ____.   vapor  
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Water vapor is said to be the main component of Earth's ______ atmosphere.   Ancient  
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The gas that makes up 78% of todays' atmosphere.   nitrogen  
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The gas that makes up 21% of today's atmosphere.   oxygen  
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The gas that is used by plants for photosynthesis   carbon dioxide  
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The gas that is produced through photosynthesis   oxygen  
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Ozone is beneficial higher in the atmosphere because it ______ solar radiation   traps  
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Since ozone traps __________, it is dangerous when found low on the Earth.   radiation  
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The ions in the ionosphere reflect ____ _____ ____.   AM radio waves  
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The liquids produced by the burning of fossil fuels are called ____.   acids  
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The troposphere is where our ________ occurs   weather  
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The atmospheric layer above the mesosphere   thermosphere  
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displays of colored lights   auroras  
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The atmosphere layer farthest from the Earth.   Exosphere  
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Always decreases with altitude   air pressure  
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Sometimes decreases with altitude   temperature  
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___________ causes air pressure   gravity  
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carbon dioxide, water vapor and other gases make up _____% of the atmosphere.   one  
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Volcanic eruptions produce solid particles called ________.   ash  
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The condensed water particles that collect on solid dust particles in the atmosphere are called ____________. They are found in the troposphere.   clouds.  
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___________ fly in the troposphere.   airplanes  
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______ are small bodies of matter from outer space that enters the earth's atmosphere.   meteors  
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satellites are found in the ________ layer of the atmosphere.   exosphere.  
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Meteors are found in the __________ layer of the atmosphere.   thermosphere.  
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mass divided by volume is called   density  
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