25
Lesson 25 of 84 · Matter
ExperimentWeighing Objects
What You'll Learn
Sound travels through matter. You can hear sounds through air, water, and solid walls!
Key Words
- ice
- change
- property
Materials Needed
- vinegar
- baking soda
- cups
- spoons
- food coloring
- plastic bottles
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
Talk about what you already know about Matter.
Step 2 — Do
Stretch, bend, and tear different materials (paper, foil, rubber band). Record what happens to each.
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 3Does a liquid have its own shape?