Matter and Energy Vocabulary

This set of flashcards contains key vocabulary terms and definitions related to matter and energy.

Matter

Anything that has mass and takes up space.

Physical Property

A characteristic of a substance that can be measured or observed.

Physical State

States of matter such as solids, liquids, and gases.

Mixture

A combination of two or more different types of matter that keeps their own physical properties.

Solution

A type of mixture in which one substance dissolves in another.

Conductor

A material that allows electricity or heat to pass through it easily.

Insulator

A material that does not allow electricity or heat to pass through it easily; slows or stops the flow of energy.

Boiling Point

The temperature at which a liquid changes into a gas.

Melting Point

The temperature at which a solid changes into a liquid.

Freezing Point

The temperature at which a liquid changes into a solid.

Soluble

Able to be dissolved in water.

Solubility

A measure of how much of a certain substance will dissolve in another substance.

Dissolve

To form a solution with another substance.

Mass

The amount of matter in an object.

Volume

The amount of space an object takes up.

Relative Density

Density compared to water; sink = more dense, float = less dense.

Texture

How an object feels to the touch.

Magnetism

A force that can attract (pull closer) or repel (push away) magnetic materials.

Flexibility

The ability to bend without breaking.

Thermal Energy

Energy of heat.