science unit 2 Flashcards
(10 cards)
chemical change
change in one or more substances, caused by a reaction, that forms new and different substances
conservation of matter
a law that states that matter connot be made or destroyed however matter can change into a new form
gas
the state of matter that does not have a definite shape or volume
liquid
a form of matter that stays the same but has a shape that can change
matter
anything that takes up space
mixture
a combination of two or more different substances in which the substances keep their identities
physical change
a change in which the shape or form of the substances change but the substances still has the same physical makeup
solid
the state of matter that has a definite shape and definite volume
solbility
how much of a substance will dissolve in a given amount of a different substances
solution
a mixture that has same composition throughout because all its parts are mixed evenly