Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 16 · 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.🏗️ Which of these gets its strength from triangles? (a) a bridge truss (b) a bamboo pole (c) a hollow bird bone (d) an eggshell
2. 2.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) where coins are placed (b) coins it holds (c) the shape of the paper
3. 3.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) weak bridge (b) strong bridge
4. 4.True or false: a torn flat sheet makes a weak bridge. (a) True (b) False
5. 5.True or false: a battery cell is not needed for the paper bridge. (a) True (b) False
6. 6.True or false: an old stone bridge gets its strength from triangles. (a) True (b) False
7. 7.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
8. 8.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the gap between books (b) where coins are placed (c) the kind of paper (d) coins it holds
9. 9.True or false: an eggshell gets its strength from a tube shape. (a) False (b) True
10. 10.True or false: a wet flat sheet makes a strong bridge. (a) True (b) False
11. 11.🏗️ Which of these gets its strength from triangles? (a) a round pillar (b) a temple dome (c) a bamboo pole (d) an electric tower
12. 12.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) one flat sheet (c) paper with folded edges (d) a flat tissue
13. 13.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is what we measure. (a) True (b) False
14. 14.🏗️ Which of these gets its strength from arches or domes? (a) a roof frame (b) a bridge truss (c) a bamboo pole (d) an old stone bridge
15. 15.🧺 Do we need yeast for the paper bridge? (a) not needed (b) needed
16. 16.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) on a stool edge (c) on top of a pet (d) low and steady
17. 17.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) yeast (c) two books (d) sheets of paper
18. 18.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is the one thing we change. (a) True (b) False
19. 19.🧺 Do we need turmeric powder for the paper bridge? (a) not needed (b) needed
20. 20.True or false: an electric tower gets its strength from a tube shape. (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) a torn flat sheet (b) rolled paper tubes (c) one flat sheet (d) a flat tissue
22. 22.🌉 Does a flat tissue make a strong or a weak bridge? (a) strong bridge (b) weak bridge
23. 23.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) upward (c) not at all (d) more
24. 24.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds make it stiffer (c) folds are magnetic (d) folds make it wet
25. 25.🧺 Which of these is not needed for the paper bridge? (a) coins (b) a ruler (c) a balloon (d) two books
26. 26.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we change it (b) we measure it (c) we keep it the same
27. 27.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is what we measure. (a) False (b) True
28. 28.True or false: a U-shaped channel makes a weak bridge. (a) False (b) True
29. 29.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) sheets of paper (c) a ruler (d) a mirror
30. 30.🧺 Do we need a ruler for the paper bridge? (a) needed (b) not needed
31. 31.🔍 Which is the odd one out? (a) a U-shaped channel (b) a torn flat sheet (c) paper with folded edges (d) a zigzag-folded sheet
32. 32.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a flat tissue (c) a torn flat sheet (d) a wet flat sheet
33. 33.🏗️ Which of these gets its strength from a tube shape? (a) a bamboo pole (b) an electric tower (c) a temple dome (d) a roof frame
34. 34.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we change it (b) we measure it (c) we keep it the same
35. 35.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we measure it (b) we change it (c) we keep it the same
36. 36.🧺 Do we need two books for the paper bridge? (a) not needed (b) needed
37. 37.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a balloon (c) a ruler (d) two books
38. 38.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) sheets of paper (c) coins (d) turmeric powder
39. 39.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a torn flat sheet (c) a flat tissue (d) a zigzag-folded sheet
40. 40.True or false: a round pillar gets its strength from triangles. (a) False (b) True

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