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26 Cards in this Set
- Front
- Back
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protects the eath from over exposure of uiltravilter raditation from the sun
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ozone layer
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layer closest to the earths surface- it contrains the air we breath, clouds, and weather
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troposherethe
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2nd lyaer, 15- 150 from ozone
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stratoshpere
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refers to a thining of the ozone layer
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ozone hole
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CFC
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Chlorofluro carbons- chlorine- flourine- carbon compouinds
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study of matter and the change that it undergoes
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chemistry
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anything that has mass and takes up space
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matter
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measure of the amount of matter
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mass
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measure of gravitational attraction of the earth
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weight
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study of the matter and processes of living things
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biochemistry
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the study of carbon containing chemicals
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organic chemistry
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the study of the components and composition of substances
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analytical chemistry
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the study of matter that does not contain organic chemicals
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inorganic chemistry
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the study of the behavior and changes of matter and the related energy changes
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physical chemistry
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scientific method
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observation
hypothesis experiment conclusion theory scientific law |
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Qualitative data
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descriptive information, physical characteristics- color odor shape
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quantative data
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how much
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educated guess
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hypothesis
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controlled observation to test the hypothesis
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experiment
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quantity or condition that can have more than one value
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variables
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depends on undependent variables
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dependent variables
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variables that the experiment plans to change
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independent variables
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standard comparison
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control
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proven with out a doubt by many scientists
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scientific law
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seeks to gain knowlege for knowlege
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pure research
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research undertaken to solve a problem
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applied knowledge
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