Shiny, Dull, Rough, and Smooth (Part 2)

What You'll Learn

Air is matter even though you cannot see it. It takes up space—blow up a balloon to prove it!

Keep small objects away from young children.
Work in a well-ventilated area when using vinegar or other strong-smelling substances.
Dispose of materials properly after the experiment.

Step 1 — Read

Read about Matter with a partner or grown-up.

Step 2 — Do

Test 5 objects from your house: put each one in water. Make a chart of which sink and which float.

Step 3 — Observe

Watch carefully. What happens?

Step 4 — Record

Draw and write about what you learned.

1 of 3

Can you separate sand from water?