50
Lesson 50 of 84 · Matter
ExperimentMaterials All Around Us (Part 2)
What You'll Learn
Materials can be sorted by their properties: hard or soft, rough or smooth, bendy or stiff.
Key Words
- measure
- temperature
Materials Needed
- paper towels
- thermometer
- strainer
- ice cubes
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 and learn: Materials can be sorted by their properties: hard or soft, rough or smooth, bendy or stiff.
Step 2 — Do
Follow the steps one at a time.
Step 3 — Observe
Compare what happened to what you predicted.
Step 4 — Record
Tell the class one thing you learned today.
Check Your Understanding
Question 1
1 of 3Why does a heavy rock sink in water?