15
Lesson 15 of 84 · Light and Sound
ExperimentBuilding Stronger Structures
What You'll Learn
A prototype is an early version of something you are building. Test it, then make it better!
Key Words
- build
- plan
Materials Needed
- ruler
- markers
- popsicle sticks
- pennies
Safety First
- Do not mix unknown chemicals together.
- Tie back long hair before starting the experiment.
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?