Anything that has mass and takes up space.
A single kind of matter that is pure, or has a specific makeup.
A characteristic of a pure substance that can be observed without changing it into another substance.
A characteristic of a pure substance that describes its ability to change into different substances.
A pure substance that can not be broken down into any other substances by chemical or physical means.
The basic particle from which all elements are made.
Groups of two or more atoms held together by chemical bonds.
Made up of two or more substances- elements, compounds, or both- that are together in the same place but not chemically combined.
You can see the different parts of this mixture
The substances in this mixture are so evenly mixed that you cannot see the different parts.
The measurement of the amount of matter in an object.
The amount of space that matter occupies.
Relates the mass of a material to a given volume. Often is expressed as the number of grams in a cubic cm.
Any change that alters the form or appearance of matter but does not make any substance in the matter into a different substance.
A change in matter that produces one or more new substances.
Law of Conservation of Mass
The fact that matter is not created or destroyed in any chemical or physical change.
A change in which energy is taken in.
A change that releases energy.
Has a definite shape and a definite volume.
Has a definite volume but no shape of its own.
Can change volume very easily; a fluid.
The temperature at which melting occurs in most pure substances.
The temperature at which a liquid boils.
The opposite of vaporization. Occurs when particles in a gas lose enough thermal energy to form a liquid.
Occurs when the surface particles of a solid gain enough energy that they form a gas.