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