An atom is a very tiny piece of matter. Everything around us, from air to water to rocks, is made of atoms.
Quick Facts
Science Topic
Matter
Known For
Building blocks of everything
Seen In
All matter
What Is an Atom?
Atoms are tiny pieces that help make up everything around us.
Even though we cannot usually see them, they are part of all matter.
What Is Inside an Atom?
Atoms are made of even smaller parts, including protons, neutrons, and electrons.
These parts help determine what kind of atom something is.
Why Are Atoms Important?
Atoms help scientists understand how materials behave and how chemistry works.
Learning about atoms is an important step in understanding matter.
Why Do Students Learn About Atoms?
Students learn about atoms to understand what things are made of.
It helps connect science ideas about matter, energy, and chemistry.
Why It Matters
Atoms matter because they are the basic building blocks of everything around us.