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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
- straws
- paper clips
- rubber bands
- string
- cups
- aluminum foil
Safety First
- Clean up spills immediately to prevent slipping.
- Use materials only as directed in the experiment.
- Keep small objects away from young children.
Steps
Step 1 — Read
Read and learn: A prototype is an early version of something you are building. Test it, then make it better!
Step 2 — Do
Build or make something using your materials.
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?