Question

all materials are made up of small particles called​

Answer 1

Answer:

Atoms

Explanation:

All materials are made up of small particles called atoms

Answer 2

Explanation:

Explain that all matter on Earth exists in the form of a solid, liquid, or gas, and that solids, liquids, and gases are all made of extremely tiny particles called atoms and molecules. Tell students that an atom is the smallest building block of matter and a molecule is two or more atoms connected together.