Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 924 · 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 roof frame get its strength from? (a) tubes (b) triangles (c) arches and domes
2. 2.⚖️ 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
3. 3.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
4. 4.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) a torn flat sheet (c) paper with folded edges (d) a wet flat sheet
5. 5.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) wash your hands (c) lick your fingers (d) skip washing
6. 6.True or false: a temple dome gets its strength from triangles. (a) True (b) False
7. 7.🧺 Which of these is not needed for the paper bridge? (a) two books (b) coins (c) sheets of paper (d) a mirror
8. 8.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the star (b) the heart shape (c) the triangle (d) the square
9. 9.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) turmeric powder (b) coins (c) two books (d) a ruler
10. 10.🌉 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
11. 11.True or false: rolled paper tubes makes a strong bridge. (a) False (b) True
12. 12.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we change it (b) we measure it (c) we keep it the same
13. 13.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) strong bridge (b) weak bridge
14. 14.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) sheets of paper (d) yeast
15. 15.⚖️ 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 kind of paper (c) the shape of the paper (d) coins it holds
16. 16.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
17. 17.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a magnet (b) two books (c) a ruler (d) sheets of paper
18. 18.🏗️ Where does an eggshell get its strength from? (a) triangles (b) arches and domes (c) tubes
19. 19.🔍 Which is the odd one out? (a) paper with folded edges (b) a wet flat sheet (c) rolled paper tubes (d) a zigzag-folded sheet
20. 20.🏗️ Where does a bridge truss get its strength from? (a) arches and domes (b) triangles (c) tubes
21. 21.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) True (b) False
22. 22.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) zero (c) the same number of (d) more
23. 23.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
24. 24.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) more (b) not at all (c) upward (d) less
25. 25.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
26. 26.🧺 Which of these is not needed for the paper bridge? (a) a magnet (b) two books (c) a ruler (d) coins
27. 27.🔍 Which is the odd one out? (a) rolled paper tubes (b) one flat sheet (c) a zigzag-folded sheet (d) a U-shaped channel
28. 28.True or false: a balloon is not needed for the paper bridge. (a) True (b) False
29. 29.⚖️ 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 kind of paper (d) the kind of coins
30. 30.True or false: an eggshell gets its strength from triangles. (a) True (b) False
31. 31.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) True (b) False
32. 32.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) a battery cell (c) yeast (d) sheets of paper
33. 33.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) fewer coins (b) the same coins (c) only water (d) more coins
34. 34.🏗️ Where does an old stone bridge get its strength from? (a) triangles (b) tubes (c) arches and domes
35. 35.True or false: a ruler is not needed for the paper bridge. (a) True (b) False
36. 36.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) True (b) False
37. 37.🏗️ Where does a bamboo pole get its strength from? (a) triangles (b) tubes (c) arches and domes
38. 38.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we measure it (b) we change it (c) we keep it the same
39. 39.True or false: a flat tissue makes a weak bridge. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) one flat sheet (b) a torn flat sheet (c) paper with folded edges (d) a wet flat sheet

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