The measure of the amount of matter in an object.

The measure of gravitational force exerted on an object.

The amount of space that an object occupies.

The ratio of the mass of a substance to the volume of the substance.

A characteristic of a substance that does not involve a chemical change such as density, color, or hardness.

A property of matter that describes a substances ability to participate in chemical reactions.

A change of matter from one to another without change in chemical properties.

A change that occurs when one or more substances change into entirely new substances with different properties

The law states that mass can not be created or destroyed it just changes form

The smallest unit of an element that maintains the properties of that element. The building blocks of all matter.

A substance that cannot be separated or broken down into simple substances by chemical means.

A substance made up of atoms of two or more different elements joined by a chemical bond.

A combination of two or more substances that are not chemically combined.

A sample of matter either a single element or a single compound that has a definite chemical and single compound.

Describes something that has a uniform structure or composition throughout.

Describes something in which the composition is not uniform throughout the mixture.

State of matter in which there is a substance has a fixed shape and fixed volume.

The state of matter in which a substance has a definite volume but not definite shape.

A state of matter in which the substance has no definite shape or volume.

A subatomic particle that has a negative charge.

A subatomic particle that has a positive charge residing inside the nucleus.

A subatomic particle that has no charge residing inside of the nucleus.

A change that forms when an atom or groups of atoms gain or lose electrons.

A process in which atoms lose or gain electrons to become electrically charge particles.

A state of matter that forms when heat energy is added to a neutral gas causing its atoms or molecules to lose electrons.

The change in state from a liquid to a solid.

The change in state from a solid to a liquid.

The change in state from a liquid to a gas.

The change in state from a gas to a liquid.

The change in state from a gas directly into a solid.

The change in state directly from a solid to a gas.