Matter Around Us

Vocabulary flashcards for Matter Around Us chapter.

Matter

Anything in this world that occupies space and has mass.

States of matter

Solid, liquid, and gas.

Properties of solids

Having a definite shape and fixed volume.

Properties of liquids

Shape depends on the container, but volume remains the same; can flow easily.

Properties of gases

Neither a fixed shape nor a fixed volume.

Compressibility

The ability to be compressed.

Diffusion

Movement of air, vapors of scent, and smoke from one place to another.

Compressed Natural Gas (CNG)

Used in many automobiles; large volume of gas compressed into cylinders.

Liquefied Petroleum Gas (LPG)

Gas used for cooking; large volume of gas compressed into cylinders.

Sublimation

The process where a substance changes directly from solid to gaseous state without passing through the liquid state.

Forces of attraction

Particles of matter have forces acting between them that keeps the particles together.