Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 625 · 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 bamboo pole get its strength from? (a) arches and domes (b) triangles (c) tubes
2. 2.True or false: a bridge truss gets its strength from a tube shape. (a) False (b) True
3. 3.True or false: paper with folded edges makes a strong bridge. (a) True (b) False
4. 4.🔍 Which is the odd one out? (a) a wet flat sheet (b) paper with folded edges (c) one flat sheet (d) a flat tissue
5. 5.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) fewer coins (c) the same coins (d) only water
6. 6.🔍 Which is the odd one out? (a) a torn flat sheet (b) a U-shaped channel (c) a zigzag-folded sheet (d) rolled paper tubes
7. 7.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) coins (c) a ruler (d) a mirror
8. 8.🏗️ Where does a round pillar get its strength from? (a) triangles (b) tubes (c) arches and domes
9. 9.🔍 Which is the odd one out? (a) a U-shaped channel (b) one flat sheet (c) a wet flat sheet (d) a torn flat sheet
10. 10.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) wash your hands (c) skip washing (d) lick your fingers
11. 11.🧺 Do we need turmeric powder for the paper bridge? (a) not needed (b) needed
12. 12.🔍 Which is the odd one out? (a) paper with folded edges (b) a U-shaped channel (c) one flat sheet (d) rolled paper tubes
13. 13.🌉 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
14. 14.🏗️ Which of these gets its strength from arches or domes? (a) a temple dome (b) a bridge truss (c) a round pillar (d) a hollow bird bone
15. 15.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
16. 16.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the square (b) the heart shape (c) the star (d) the triangle
17. 17.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) rolled paper tubes (c) a flat tissue (d) a U-shaped channel
18. 18.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is very hot (b) its curved arch shape (c) it is magnetic (d) it is made of steel
19. 19.🧺 Do we need sheets of paper for the paper bridge? (a) needed (b) not needed
20. 20.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we measure it (b) we change it (c) we keep it the same
21. 21.🌉 Which of these makes a weak bridge? (a) a flat tissue (b) paper with folded edges (c) a zigzag-folded sheet (d) a U-shaped channel
22. 22.True or false: a U-shaped channel makes a weak bridge. (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a torn flat sheet (c) a flat tissue (d) a wet flat sheet
24. 24.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) coins (c) sheets of paper (d) a balloon
25. 25.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a ruler (c) a battery cell (d) two books
26. 26.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
27. 27.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
28. 28.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we keep it the same (b) we measure it (c) we change it
29. 29.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) more (c) zero (d) the same number of
30. 30.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) where coins are placed (b) the kind of coins (c) the kind of paper (d) the shape of the paper
31. 31.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is the one thing we change. (a) True (b) False
32. 32.True or false: sheets of paper is needed for the paper bridge. (a) False (b) True
33. 33.True or false: a magnet is needed for the paper bridge. (a) True (b) False
34. 34.True or false: a bamboo pole gets its strength from a tube shape. (a) True (b) False
35. 35.True or false: coins is needed for the paper bridge. (a) False (b) True
36. 36.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is what we measure. (a) True (b) False
37. 37.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) a ruler (c) a mirror (d) two books
38. 38.True or false: coins is not needed for the paper bridge. (a) True (b) False
39. 39.🏗️ Which of these gets its strength from triangles? (a) a hollow bird bone (b) an eggshell (c) an electric tower (d) a round pillar
40. 40.🌉 Which of these makes a weak bridge? (a) a torn flat sheet (b) a U-shaped channel (c) paper with folded edges (d) a zigzag-folded sheet

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