Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 975 · 40 questions

What you do (Shape makes strength): 1. Place two books 15 cm apart, low and steady. 2. Lay a flat sheet across and add coins one by one in the middle until it falls. 3. Fold the same kind of sheet into a zigzag and test it the same way. 4. Record the coins each shape holds, then wash your hands.

1. 1.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
2. 2.🏗️ Where does a temple dome get its strength from? (a) triangles (b) arches and domes (c) tubes
3. 3.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a magnet (b) a ruler (c) sheets of paper (d) coins
4. 4.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds make it wet (c) folds are magnetic (d) folds make it stiffer
5. 5.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) lick your fingers (c) skip washing (d) wash your hands
6. 6.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is what we measure. (a) True (b) False
7. 7.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) turmeric powder (c) a ruler (d) two books
8. 8.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) coins (c) two books (d) yeast
9. 9.True or false: coins is not needed for the paper bridge. (a) False (b) True
10. 10.True or false: one flat sheet makes a weak bridge. (a) True (b) False
11. 11.🧺 Do we need yeast for the paper bridge? (a) not needed (b) needed
12. 12.🔍 Which is the odd one out? (a) paper with folded edges (b) one flat sheet (c) a torn flat sheet (d) a wet flat sheet
13. 13.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
14. 14.True or false: a balloon is not needed for the paper bridge. (a) False (b) True
15. 15.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is what we measure. (a) True (b) False
16. 16.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
17. 17.True or false: a flat tissue makes a strong bridge. (a) True (b) False
18. 18.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
19. 19.🏗️ Where does an old stone bridge get its strength from? (a) arches and domes (b) triangles (c) tubes
20. 20.🌉 Which of these makes a strong bridge? (a) a U-shaped channel (b) a flat tissue (c) a torn flat sheet (d) one flat sheet
21. 21.True or false: a ruler is not needed for the paper bridge. (a) False (b) True
22. 22.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) paper with folded edges (c) a flat tissue (d) a zigzag-folded sheet
23. 23.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) strong bridge (b) weak bridge
24. 24.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we keep it the same (b) we measure it (c) we change it
25. 25.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
26. 26.🏗️ Which of these gets its strength from triangles? (a) a bamboo pole (b) a temple dome (c) a hollow bird bone (d) an electric tower
27. 27.🏗️ Where does a round pillar get its strength from? (a) tubes (b) arches and domes (c) triangles
28. 28.True or false: a bridge truss gets its strength from triangles. (a) True (b) False
29. 29.🧺 Which of these is needed for the paper bridge? (a) yeast (b) a mirror (c) a battery cell (d) two books
30. 30.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
31. 31.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) coins (c) sheets of paper (d) a balloon
32. 32.True or false: a bamboo pole gets its strength from triangles. (a) False (b) True
33. 33.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) a round pillar (c) a bridge truss (d) a hollow bird bone
34. 34.True or false: two books is not needed for the paper bridge. (a) True (b) False
35. 35.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the shape of the paper (b) coins it holds (c) where coins are placed (d) the kind of paper
36. 36.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) the same number of (c) more (d) zero
37. 37.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is the one thing we change. (a) False (b) True
38. 38.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) sheets of paper (c) a ruler (d) a battery cell
39. 39.🧺 Which of these is needed for the paper bridge? (a) sheets of paper (b) a battery cell (c) a balloon (d) a magnet
40. 40.True or false: a torn flat sheet makes a weak bridge. (a) False (b) True

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