Atoms: Building Blocks of Matter

What You'll Learn

Atoms are the basic building blocks of matter. Each element is made of one type of atom. Hydrogen has the simplest atom with just one proton and one electron.

Key Words

ion
isotope

Steps

Step 1 — Read

Read and learn: Atoms are the basic building blocks of matter. Each element is made of one type of atom. Hydrogen has the simplest atom with just one proton and one electron.

Step 2 — Do

Gather your materials and set up your workspace.

Step 3 — Observe

Watch carefully for any changes and note the time.

Step 4 — Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

What is mass?