Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 289 · 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.🏗️ Where does a round pillar get its strength from? (a) tubes (b) arches and domes (c) triangles
2. 2.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) wash your hands (c) skip washing (d) rub your eyes
3. 3.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) more (b) zero (c) fewer (d) the same number of
4. 4.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we measure it (b) we keep it the same (c) we change it
5. 5.🔍 Which is the odd one out? (a) a U-shaped channel (b) a wet flat sheet (c) paper with folded edges (d) rolled paper tubes
6. 6.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) strong bridge (b) weak bridge
7. 7.True or false: coins is not needed for the paper bridge. (a) True (b) False
8. 8.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
9. 9.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) a mirror (c) turmeric powder (d) two books
10. 10.🏗️ Where does a bamboo pole get its strength from? (a) tubes (b) triangles (c) arches and domes
11. 11.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
12. 12.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) a mirror (d) sheets of paper
13. 13.True or false: a hollow bird bone gets its strength from triangles. (a) True (b) False
14. 14.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) where coins are placed (b) coins it holds (c) the shape of the paper (d) the kind of coins
15. 15.🧺 Which of these is not needed for the paper bridge? (a) coins (b) a ruler (c) a balloon (d) sheets of paper
16. 16.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds make it wet (c) folds make it stiffer (d) folds are magnetic
17. 17.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a ruler (c) a balloon (d) coins
18. 18.True or false: a torn flat sheet makes a strong bridge. (a) False (b) True
19. 19.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) a magnet (d) coins
20. 20.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) a U-shaped channel (c) a flat tissue (d) a wet flat sheet
21. 21.🏗️ Which of these gets its strength from arches or domes? (a) a bridge truss (b) an old stone bridge (c) a roof frame (d) a round pillar
22. 22.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the gap between books (b) the shape of the paper (c) where coins are placed (d) coins it holds
23. 23.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) coins (c) a battery cell (d) sheets of paper
24. 24.True or false: coins is needed for the paper bridge. (a) True (b) False
25. 25.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is the one thing we change. (a) False (b) True
26. 26.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) True (b) False
27. 27.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) False (b) True
28. 28.🧺 Do we need a balloon for the paper bridge? (a) not needed (b) needed
29. 29.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we change it (b) we measure it (c) we keep it the same
30. 30.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
31. 31.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
32. 32.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) a U-shaped channel (c) paper with folded edges (d) a wet flat sheet
33. 33.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is the one thing we change. (a) False (b) True
34. 34.🏗️ Which of these gets its strength from a tube shape? (a) a round pillar (b) an electric tower (c) a roof frame (d) a bridge truss
35. 35.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is kept the same. (a) False (b) True
36. 36.True or false: one flat sheet makes a strong bridge. (a) True (b) False
37. 37.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) a zigzag-folded sheet (c) a torn flat sheet (d) paper with folded edges
38. 38.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the star (b) the triangle (c) the heart shape (d) the square
39. 39.True or false: a zigzag-folded sheet makes a strong bridge. (a) False (b) True
40. 40.True or false: an old stone bridge gets its strength from arches or domes. (a) True (b) False

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