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

solubility
concentration
periodic table

Materials Needed

baking soda
cups
spoons
food coloring

Safety First

Adult supervision recommended.

Steps

Step 1 — Read

Review the background information on Matter and Reactions before starting.

Step 2 — Do

Test how temperature affects dissolving: dissolve sugar in cold, warm, and hot water. Count stirs needed for each and create a data table.

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?