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Lesson 35 of 84 · Engineering and Design
ExperimentBuilding Stronger Structures (Part 2)
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
- problem
Materials Needed
- pennies
- plastic wrap
- cardboard
- tape
- scissors
Safety First
- Protect your work surface with newspaper or plastic.
- Adult supervision recommended.
Steps
Step 1 — Read
Talk about what you already know about Engineering and Design.
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?