65
Lesson 65 of 84 · Light and Sound
ExperimentRecording What We See (Part 4)
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
Safety First
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
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?