1) To take in a) Absorb b) Combustion c) Atmosphere d) Gas 2) the mixture of gases surrounding a planet a) Atmosphere b) Gas c) Carbon Dioxide d) Sulfur Dioxide 3) A molecule made with carbon and oxygen atoms a) Carbon Dioxide b) Sulfur Dioxide c) Change d) Stability 4) When something becomes different over time a) Change b) Stability c) Climate d) Weather 5) General weather patterns over a long period of time a) Climate b) Weather c) Climate Change d) Human Activity 6) Changes in the climate over a long period of time that can be caused by natural events or human activities. a) Climate Change b) Human Activity c) Combustion d) Temperature 7) The process of burning fuels which produces carbon dioxide. a) Combustion b) Temperature c) Human activities d) Pollution 8) Things people do that affect the earth's system. a) Human activities b) Pollution c) Energy d) Temperature 9) The ability to make things more or change a) Energy b) Temperature c) Methane d) sulfur dioxide 10) A molecule made of carbon and hydrogen atoms. a) Methane b) sulfur dioxide c) Temperature d) Energy 11) A measure of how hot (or cold) something is. a) Temperature b) Energy c) Redirect d) Reflect 12) To send to a new or different place. a) Redirect b) Reflect c) Fluctuation d) Trend 13) To bounce off without absorbing a) Reflect b) Redirect c) Fluctuation d) Trend 14) Variations in a set of data. a) Trend b) Fluctuation c) Redirect d) Reflect 15) Overall tendency in a set of data over time. a) Trend b) Fluctuation c) Redirect d) Reflect 16) When something stays mostly the same over time. a) Stability b) Change c) Sulfur Dioxide d) Carbon Dioxide 17) A molecule made of sulfur and oxygen atoms a) Sulfur Dioxide b) Carbon Dioxide c) Model d) Evidence 18) An object, diagram, or computer program that helps us understand something by making it simpler or easier a) Model b) Evidence c) Sulfur Dioxide d) Carbon Dioxide 19) Information about the natural world that is used to support or go against a claim. a) Evidence b) Model c) Sulfur Dioxide d) Carbon Dioxide

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