26
Lesson 26 of 84 · Matter
ExperimentShiny, Dull, Rough, and Smooth
What You'll Learn
Air is matter even though you cannot see it. It takes up space—blow up a balloon to prove it!
Key Words
- ice
- change
Materials Needed
- vinegar
- baking soda
- cups
- spoons
- food coloring
Safety First
- Clean up spills immediately to prevent slipping.
- Use materials only as directed in the experiment.
- Keep small objects away from young children.
Steps
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.
Check Your Understanding
Question 1
1 of 3Can you separate sand from water?