E-Fabrication · Unit 02
Mini Design Review
Low-Tech Structures · Hand tools + basic materials
Today’s challenge
Present criteria, test evidence, revision, and one remaining tradeoff.
Grade 3 focusSmall models, simple measurement, teacher-provided tests, and one purposeful revision.
Grade 5 focusLoad ratios, repeated trials, tradeoff analysis, and material-efficiency scores.
Success example · inspiration, not a design to copy
Look closely. What makes this successful?
The finished explanation connects the user, criteria, test evidence, and revision.
What to do
- Understand. Read the challenge. Circle the important need, rule, or safety limit.
- Plan. Use the thinking spaces below before you begin making.
- Make. Build, model, code, practice, or investigate carefully with your team.
- Check. Use evidence—not guesses—to decide what worked.
- Improve or explain. Make one useful change or share your strongest conclusion.
Engineer’s thinking
1. What need did you address?
2. Which evidence shows that your design works?
3. What changed from your first idea?
4. What would you do next with more time?
Evidence check
Show what you learned.
Your teacher will look for: A concise presentation using test evidence and a written next-step decision.
My evidence
My next step
Exit reflection
Today I learned that because .
Next time I will .
How independently did I work?□ I needed coaching□ I worked with my team□ I can teach this skill