Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 782 · 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.True or false: a U-shaped channel makes a strong bridge. (a) False (b) True
2. 2.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) a flat tissue (c) rolled paper tubes (d) paper with folded edges
3. 3.🧺 Which of these is not needed for the paper bridge? (a) coins (b) sheets of paper (c) a ruler (d) a balloon
4. 4.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) skip washing (b) wash your hands (c) lick your fingers (d) rub your eyes
5. 5.🏗️ Where does a roof frame get its strength from? (a) triangles (b) arches and domes (c) tubes
6. 6.True or false: one flat sheet makes a strong bridge. (a) True (b) False
7. 7.🏗️ Where does a temple dome get its strength from? (a) arches and domes (b) tubes (c) triangles
8. 8.True or false: a roof frame gets its strength from a tube shape. (a) False (b) True
9. 9.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) turmeric powder (c) two books (d) coins
10. 10.True or false: an electric tower gets its strength from triangles. (a) False (b) True
11. 11.True or false: a flat tissue makes a strong bridge. (a) True (b) False
12. 12.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we measure it (b) we keep it the same (c) we change it
13. 13.🧺 Do we need yeast for the paper bridge? (a) needed (b) not needed
14. 14.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) one flat sheet (c) a U-shaped channel (d) a torn flat sheet
15. 15.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the kind of coins (b) the shape of the paper (c) coins it holds
16. 16.🏗️ Which of these gets its strength from triangles? (a) an eggshell (b) an old stone bridge (c) an electric tower (d) a round pillar
17. 17.True or false: a balloon is needed for the paper bridge. (a) False (b) True
18. 18.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a balloon (b) sheets of paper (c) coins (d) two books
19. 19.🧺 Do we need a balloon for the paper bridge? (a) not needed (b) needed
20. 20.True or false: a zigzag-folded sheet makes a strong bridge. (a) False (b) True
21. 21.🧺 Which of these is not needed for the paper bridge? (a) coins (b) a mirror (c) two books (d) a ruler
22. 22.🛟 How should the two books be placed for the paper bridge? (a) low and steady (b) on a stool edge (c) high and wobbly (d) on top of a pet
23. 23.True or false: a bamboo pole gets its strength from a tube shape. (a) False (b) True
24. 24.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) True (b) False
25. 25.🧺 Which of these is needed for the paper bridge? (a) a mirror (b) yeast (c) a magnet (d) coins
26. 26.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) fewer coins (b) only water (c) the same coins (d) more coins
27. 27.🏗️ Which of these gets its strength from a tube shape? (a) a temple dome (b) an electric tower (c) an old stone bridge (d) a hollow bird bone
28. 28.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
29. 29.True or false: a U-shaped channel makes a weak bridge. (a) True (b) False
30. 30.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the shape of the paper (b) the kind of coins (c) where coins are placed (d) coins it holds
31. 31.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) coins (c) a ruler (d) a magnet
32. 32.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
33. 33.🏗️ Where does an eggshell get its strength from? (a) arches and domes (b) triangles (c) tubes
34. 34.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) coins (d) turmeric powder
35. 35.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
36. 36.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a wet flat sheet (c) a torn flat sheet (d) a flat tissue
37. 37.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we measure it (b) we keep it the same (c) we change it
38. 38.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) fewer (c) more (d) the same number of
39. 39.🏗️ Where does an electric tower get its strength from? (a) triangles (b) arches and domes (c) tubes
40. 40.True or false: sheets of paper is not needed for the paper bridge. (a) False (b) True

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