5
Lesson 5 of 84 · Light and Sound
ExperimentRecording What We See
What You'll Learn
Comparing means looking at two or more things and finding what is the same and what is different.
Key Words
- measure
- compare
Materials Needed
- popsicle sticks
- pennies
- plastic wrap
- cardboard
Safety First
- Wash hands after handling materials.
Steps
Step 1 — Read
Talk about what you already know about Light and Sound.
Step 2 — Do
Design a container that keeps an ice cube from melting for as long as possible.
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 3What should you do if your experiment doesn't work?