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 a conservation of matter?
The rule that states during a physical change, the amount of matter stays the same.
What is a Gas?
the state of matter that does not have a definite 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 a physical change?
A change in which the shape or form of the substance changes but substance still has the same physical makeup.
what is a mixture?
A combination of different substances, or materials, that keep their identities.
What is solubility?
How much of a substance will dissolve in a given amount of a different substance.
What is solid?
The state of matter that has a definite shape and a definite volume.
What is solution?
A mixture that has the same composition trough, Materials cannot be separated.