Particle Nature of Matter 5-PS1-1

Atom

The smallest particle of an element. Atom. An atom is like a tiny building block that makes up everything around us.

Compound

The substance made when atoms from two or more elements combine chemically is called a compound. In simple terms, a compound is like a new substance formed when different types of atoms join together.

Element

A substance made of one type of atom that cannot be broken down chemically. element. An element is a basic building block of matter that cannot be divided into simpler substances.

Gas

A state of matter that has no fixed shape or volume. Gas. Gas is a kind of matter that spreads out to fill any container it's in, like air in a balloon.

Liquid

A state of matter that has definite volume but no definite shape. Liquid. A liquid flows and takes the shape of its container while keeping the same amount of substance.

Matter

Anything that has volume and mass. Matter. Matter is anything that takes up space and has weight.

Molecule

A group of atoms held together by bonds is called a molecule. In simple terms, a molecule is like a tiny group of building blocks that make up everything around us.

Solid

The state of matter with definite shape and volume. Solid. A solid is something that keeps its shape and doesn't spread out.

Substance

An element or compound with the same composition and properties throughout. Substance. A substance is something that is made of only one type of material, like pure water or gold, and doesn't change wherever you find it.