Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 442 · 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 is the odd one out? (a) a wet flat sheet (b) a flat tissue (c) a zigzag-folded sheet (d) a torn flat sheet
2. 2.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) not at all (c) more (d) upward
3. 3.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a wet flat sheet (c) a U-shaped channel (d) paper with folded edges
4. 4.🧺 Which of these is needed for the paper bridge? (a) yeast (b) a magnet (c) sheets of paper (d) turmeric powder
5. 5.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) True (b) False
6. 6.True or false: a roof frame gets its strength from a tube shape. (a) True (b) False
7. 7.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) more (c) zero (d) the same number of
8. 8.⚖️ 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
9. 9.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) wash your hands (b) skip washing (c) lick your fingers (d) rub your eyes
10. 10.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is the one thing we change. (a) True (b) False
11. 11.⚖️ 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 shape of the paper (c) coins it holds (d) the gap between books
12. 12.True or false: a magnet is not needed for the paper bridge. (a) True (b) False
13. 13.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a balloon (b) sheets of paper (c) two books (d) coins
14. 14.True or false: a zigzag-folded sheet makes a weak bridge. (a) True (b) False
15. 15.True or false: coins is needed for the paper bridge. (a) True (b) False
16. 16.🧺 Do we need a balloon for the paper bridge? (a) not needed (b) needed
17. 17.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is what we measure. (a) True (b) False
18. 18.True or false: coins is not needed for the paper bridge. (a) False (b) True
19. 19.⚖️ 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
20. 20.🏗️ Which of these gets its strength from triangles? (a) a round pillar (b) a temple dome (c) a bamboo pole (d) a roof frame
21. 21.🏗️ Where does an eggshell get its strength from? (a) triangles (b) tubes (c) arches and domes
22. 22.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) the same coins (b) only water (c) fewer coins (d) more coins
23. 23.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we change it (b) we keep it the same (c) we measure it
24. 24.🛟 How should the two books be placed for the paper bridge? (a) low and steady (b) high and wobbly (c) on a stool edge (d) on top of a pet
25. 25.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
26. 26.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
27. 27.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the shape of the paper (b) the kind of paper (c) coins it holds
28. 28.🧺 Which of these is needed for the paper bridge? (a) two books (b) a mirror (c) a balloon (d) turmeric powder
29. 29.True or false: a ruler is needed for the paper bridge. (a) True (b) False
30. 30.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) yeast (b) two books (c) sheets of paper (d) a ruler
31. 31.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the gap between books (b) coins it holds (c) the shape of the paper
32. 32.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds are magnetic (c) folds make it stiffer (d) folds make it wet
33. 33.🧺 Which of these is needed for the paper bridge? (a) yeast (b) a mirror (c) coins (d) a balloon
34. 34.🏗️ Where does an old stone bridge get its strength from? (a) triangles (b) arches and domes (c) tubes
35. 35.⚖️ 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 change it (c) we measure it
36. 36.🏗️ Where does a round pillar get its strength from? (a) arches and domes (b) triangles (c) tubes
37. 37.🏗️ Which of these gets its strength from a tube shape? (a) an old stone bridge (b) a bamboo pole (c) a roof frame (d) a temple dome
38. 38.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is kept the same. (a) True (b) False
39. 39.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
40. 40.🔍 Which is the odd one out? (a) one flat sheet (b) a flat tissue (c) a torn flat sheet (d) rolled paper tubes

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