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Science5U2

Matter Unit

QuestionAnswer
boiling point the point at which matter changes from a liquid to a gas
chemical change change in a substance caused by a reaction that forms a new substance
conservation of matter a law that states that matter cannot be made or destroyed; just changed into a new form
freezing point the temperature at which matter is changed from a liquid to a solid
matter anything that takes up space
melting point the temperature at which matter changes from a solid to a liquid
mixture a combination of substances in which each substance keeps their identities
physical change a change in which the shape or form of the substance changes, but it still has the same chemical makeup
physical properties anything you can observe about an object by using one or more of your senses
solution a mixture that has the same composition throughout because all its parts are mixed evenly
As matter is added to an object, its weight increases
Gases does not take up a definite amount of space or shape
Liquids takes up a definite amount of space, but not shape
Solids has a definite shape and volume
Created by: aihara99