Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 942 · 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.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
2. 2.🧺 Which of these is not needed for the paper bridge? (a) two books (b) sheets of paper (c) a battery cell (d) coins
3. 3.🏗️ Where does an old stone bridge get its strength from? (a) tubes (b) arches and domes (c) triangles
4. 4.🛟 How should the two books be placed for the paper bridge? (a) low and steady (b) high and wobbly (c) on top of a pet (d) on a stool edge
5. 5.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we keep it the same (b) we measure it (c) we change it
6. 6.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we change it (b) we keep it the same (c) we measure it
7. 7.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we measure it (b) we change it (c) we keep it the same
8. 8.⚖️ 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) the gap between books (d) where coins are placed
9. 9.True or false: a battery cell is not needed for the paper bridge. (a) False (b) True
10. 10.🏗️ Which of these gets its strength from triangles? (a) a roof frame (b) a hollow bird bone (c) an eggshell (d) a bamboo pole
11. 11.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a U-shaped channel (c) a torn flat sheet (d) paper with folded edges
12. 12.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is kept the same. (a) True (b) False
13. 13.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the kind of paper (b) the shape of the paper (c) coins it holds
14. 14.True or false: a balloon is not needed for the paper bridge. (a) False (b) True
15. 15.True or false: a bridge truss gets its strength from a tube shape. (a) False (b) True
16. 16.🏗️ Which of these gets its strength from a tube shape? (a) a bamboo pole (b) a bridge truss (c) an eggshell (d) an electric tower
17. 17.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a mirror (b) two books (c) a ruler (d) sheets of paper
18. 18.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds make it wet (b) folds are magnetic (c) folds make it stiffer (d) folds add glue
19. 19.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) a mirror (c) a ruler (d) a balloon
20. 20.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
21. 21.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) weak bridge (b) strong bridge
22. 22.True or false: paper with folded edges makes a weak bridge. (a) False (b) True
23. 23.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
24. 24.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a battery cell (b) sheets of paper (c) two books (d) a ruler
25. 25.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a torn flat sheet (c) a wet flat sheet (d) one flat sheet
26. 26.🧺 Which of these is not needed for the paper bridge? (a) two books (b) a magnet (c) a ruler (d) coins
27. 27.True or false: a flat tissue makes a strong bridge. (a) True (b) False
28. 28.True or false: an eggshell gets its strength from triangles. (a) True (b) False
29. 29.🌉 Does a flat tissue make a strong or a weak bridge? (a) strong bridge (b) weak bridge
30. 30.🏗️ Where does an eggshell get its strength from? (a) arches and domes (b) tubes (c) triangles
31. 31.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) False (b) True
32. 32.🏗️ Where does a bamboo pole get its strength from? (a) triangles (b) arches and domes (c) tubes
33. 33.🔍 Which is the odd one out? (a) rolled paper tubes (b) a flat tissue (c) a torn flat sheet (d) a wet flat sheet
34. 34.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
35. 35.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is magnetic (b) its curved arch shape (c) it is made of steel (d) it is very hot
36. 36.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) two books (c) turmeric powder (d) coins
37. 37.True or false: a ruler is needed for the paper bridge. (a) False (b) True
38. 38.🏗️ Where does a round pillar get its strength from? (a) tubes (b) triangles (c) arches and domes
39. 39.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) two books (c) a magnet (d) a mirror
40. 40.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is kept the same. (a) False (b) True

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