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21 Cards in this Set
- Front
- Back
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homogenous mixtures can be seperated by
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distillation, crystallization and chromatography
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Matter is...
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what everything is made up of
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heterogenous mixtures can be seperated by
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filtration
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An element is...
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substance that cannot be separatedinto simpler substances by chemical change
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A homogeneous mixture is...
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mixtues without visibly deifferent parts (ex: salt water)
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Potential energy is?
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object what has potential for energy because of position
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extensive properties depend on?
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amoutn of matter presnet(mass,length, volume..)
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Amixture is..
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a blend of 2 or more substances
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intensive properties DO NOT depend on
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the amount of matter present (ex:color,freezing pt,density,malleability)
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Liquids have a...
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high density, no definite shape but a definite volume
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Gases have a....
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low density, no definite shape or volume
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A heterogeneous mixture is...
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a mixture with visibly different parts (ex: choc, chip cookies/granite)
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Solids have a...
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high density-holds a particular shape and has a definite volume
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The SI unit used to measure temperaure is?
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Kelvin
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The law of CONSERVATION of energy is?
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in any process energy is neither created nor destroyed
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The SI unit for energy is?
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Joule
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Kinetic Energy is?
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energy of motion
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Chemical change is...
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altering the identity of a substance (ex: burning,cooking,rusting)
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Pure substances are..
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elements and compounds and have unique sets of chemical and physical properties
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A compund is..
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when 2 or more elements combine in a chemical reaction
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Physical changes is..
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change in state (ex:crushing/tearing)
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