science unit 2 Flashcards
what is the meaning of chemical change?
a change in one or more substances, caused by a reaction, that forms new and different substances.
what is the meaning of conservation of matter?
A law that states that matter cannot be made or destroyed; however, matter can change into a new form.
what is the meaning of gas?
the state of matter that does not have a definite shape or volume.
what is the meaning of liquid?
a form of matter that has a volume that stays the same but has a shape that can change.
what is the meaning of matter?
Anything that takes out space.
what is the meaning of mixture?
A combination of two or more different substances in which the substances keep their identities.
what is the meaning of physical change?
A change in which the shape or form of the substances still has the same physical makeup.
what is the meaning of solid?
The state of matter that has a definite shape and a definite volume.
what is the meaning of solubility?
How much a substance will dissolve in a given amount of a different substance.
What is the meaning of solution?
A mixture that has the same composition throughout because all its parts are mixed evenly.
