The fact that matter is not created or destroyed in any physical or chemical change is called the

A measure of how hot or cold something is

A change in which energy is absorbed is called a(n)

The study of matter and how matter changes

A single kind of matter that is pure, or always has a specific makeup

A substance that cannot be broken down into any other substances by chemical or physical means

A force of attraction between two atoms

How many oxygen atoms are in CO2?

A combination of two or more substances that are together in the same place, but their atoms are not chemically bonded

Salt water is an example of a

If you went to the Moon, what would change?

The system that scientists use to measure the properties of matter

How much space matter occupies

An object's mass is 12 g and its volume is 6 cm3. What is its density?

A melting popsicle is an example of a

Origami is an example of paper going through a

Combustion is an example of a(n)

A group of two or more atoms held together by chemical bonds

When elements chemically combine, they form compounds with properties different from those of the elements.

A homogenous mixture is all of these except

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