Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 262 · 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 a tube shape? (a) a temple dome (b) a roof frame (c) a bamboo pole (d) a bridge truss
2. 2.True or false: a U-shaped channel makes a weak bridge. (a) True (b) False
3. 3.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) fewer coins (c) only water (d) the same coins
4. 4.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) a round pillar (c) an old stone bridge (d) a bridge truss
5. 5.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the kind of paper (b) coins it holds (c) the shape of the paper (d) the kind of coins
6. 6.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) turmeric powder (c) sheets of paper (d) a ruler
7. 7.True or false: a U-shaped channel makes a strong bridge. (a) False (b) True
8. 8.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we change it (b) we keep it the same (c) we measure it
9. 9.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
10. 10.True or false: one flat sheet makes a weak bridge. (a) False (b) True
11. 11.🌉 Does paper with folded edges make a strong or a weak bridge? (a) strong bridge (b) weak bridge
12. 12.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) upward (b) less (c) not at all (d) more
13. 13.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a battery cell (c) sheets of paper (d) two books
14. 14.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) low and steady (c) on a stool edge (d) on top of a pet
15. 15.🧺 Do we need sheets of paper for the paper bridge? (a) needed (b) not needed
16. 16.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is kept the same. (a) False (b) True
17. 17.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the gap between books (b) coins it holds (c) the kind of coins (d) where coins are placed
18. 18.🌉 Does a flat tissue make a strong or a weak bridge? (a) strong bridge (b) weak bridge
19. 19.True or false: a ruler is not needed for the paper bridge. (a) False (b) True
20. 20.True or false: sheets of paper is not needed for the paper bridge. (a) False (b) True
21. 21.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we measure it (b) we keep it the same (c) we change it
22. 22.⚖️ 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
23. 23.True or false: a roof frame gets its strength from triangles. (a) False (b) True
24. 24.True or false: an electric tower gets its strength from triangles. (a) True (b) False
25. 25.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) rolled paper tubes (c) a flat tissue (d) paper with folded edges
26. 26.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) a U-shaped channel (c) paper with folded edges (d) a torn flat sheet
27. 27.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is the one thing we change. (a) True (b) False
28. 28.⚖️ 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
29. 29.True or false: paper with folded edges makes a weak bridge. (a) True (b) False
30. 30.🏗️ Which of these gets its strength from arches or domes? (a) a round pillar (b) a bamboo pole (c) an electric tower (d) an eggshell
31. 31.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) skip washing (b) rub your eyes (c) lick your fingers (d) wash your hands
32. 32.🧺 Which of these is not needed for the paper bridge? (a) a battery cell (b) coins (c) two books (d) sheets of paper
33. 33.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) a battery cell (c) yeast (d) sheets of paper
34. 34.🧺 Which of these is needed for the paper bridge? (a) two books (b) turmeric powder (c) a balloon (d) yeast
35. 35.🏗️ Where does an electric tower get its strength from? (a) triangles (b) tubes (c) arches and domes
36. 36.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds make it wet (c) folds are magnetic (d) folds make it stiffer
37. 37.🏗️ Where does an old stone bridge get its strength from? (a) arches and domes (b) triangles (c) tubes
38. 38.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) a ruler (c) yeast (d) two books
39. 39.🏗️ Which of these gets its strength from a tube shape? (a) a round pillar (b) a temple dome (c) a bridge truss (d) an electric tower
40. 40.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) a mirror (c) coins (d) yeast

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