Paper Bridge Log
Predict, test, record, improve
Name(s): Date:
- Keep the gap between the book stacks the same for every test.
- Write your prediction before you add any coins.
- Add coins one at a time until the bridge touches the table or the cup falls.
- Change only the bridge shape between tests.
My tests
| Design | Prediction (coins) | Result (coins) | What changed? |
|---|---|---|---|
What made the strongest bridge? Why?
Gap used: ______ inches. Coins are a choking hazard for babies and toddlers. Count them back in when you finish.