1) A mixture of gases that surrounds a planet or moon a) stinky b) atmosphere c) ozone 2) The height above sea level a) density b) mass c) altitude 3) How tightly packed together molecules are in a given space a) mass b) density c) pressure 4) The most common gas in the atmosphere (78%) is? a) nitrogen b) oxygen c) carbon dioxide 5) As altitude increases, the density of each layer a) decreases b) increases c) stays the same 6) This layer is the least dense of all the layers a) troposphere b) mesophere c) exosphere 7) Which layer of the atmosphere is the most dense? a) troposphere b) mesophere c) thermosphere 8) The troposphere is the densest layer of the atmosphere because of a) living organisms b) gravity c) pollution 9) This is the second most abundant (plentiful) gas in the atmosphere (21%) a) nitrogen b) oxygen c) helium 10) What is the first layer of the atmosphere? (closest to Earth) a) stratosphere b) thermosphere c) troposhere 11) What protects human from the harmful UV rays received from the sun? a) mesosphere b) ozone layer c) clouds 12) Which layer protects us from meteors? a) troposphere b) thermosphere c) mesosphere 13) In which layer of the atmosphere is Earth's weather found? a) troposphere b) mesosphere c) stratosphere 14) What layer is the Northern Lights (Aurora Borealis) located in? a) exosphere b) thermosphere c) stratosphere 15) Which layer has the coldest air particles? a) troposhere b) exosphere c) mesosphere

GAMESHOW! Atmosphere Trivia?

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