Atoms: Building Blocks of Matter (Part 2)

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

Materials Needed

baking soda
cups
spoons

Safety First

Be careful with scissors — ask an adult for help if needed.
Do not look directly at the sun or bright lights.

Steps

Step 1 — Read

Review the background information on Matter and Atoms 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?