Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 66 · 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.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) fewer (c) more (d) zero
2. 2.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) one flat sheet (c) a flat tissue (d) a U-shaped channel
3. 3.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we change it (b) we keep it the same (c) we measure it
4. 4.True or false: an electric tower gets its strength from arches or domes. (a) False (b) True
5. 5.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we change it (b) we measure it (c) we keep it the same
6. 6.True or false: a temple dome gets its strength from triangles. (a) False (b) True
7. 7.🧺 Do we need a magnet for the paper bridge? (a) not needed (b) needed
8. 8.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) wash your hands (c) skip washing (d) rub your eyes
9. 9.🌉 Does paper with folded edges make a strong or a weak bridge? (a) strong bridge (b) weak bridge
10. 10.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
11. 11.True or false: paper with folded edges makes a strong bridge. (a) False (b) True
12. 12.⚖️ 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 coins (c) coins it holds
13. 13.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a balloon (b) sheets of paper (c) coins (d) a ruler
14. 14.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
15. 15.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
16. 16.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) upward (b) less (c) more (d) not at all
17. 17.🧺 Which of these is not needed for the paper bridge? (a) yeast (b) coins (c) sheets of paper (d) a ruler
18. 18.🧺 Which of these is needed for the paper bridge? (a) a ruler (b) a battery cell (c) a mirror (d) yeast
19. 19.🧺 Which of these is needed for the paper bridge? (a) coins (b) a battery cell (c) a magnet (d) turmeric powder
20. 20.🏗️ Which of these gets its strength from a tube shape? (a) an old stone bridge (b) an eggshell (c) a temple dome (d) a round pillar
21. 21.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the heart shape (b) the square (c) the star (d) the triangle
22. 22.True or false: one flat sheet makes a weak bridge. (a) True (b) False
23. 23.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
24. 24.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is what we measure. (a) True (b) False
25. 25.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is kept the same. (a) True (b) False
26. 26.🏗️ Where does a temple dome get its strength from? (a) arches and domes (b) tubes (c) triangles
27. 27.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) a round pillar (c) a bamboo pole (d) a bridge truss
28. 28.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
29. 29.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
30. 30.True or false: a torn flat sheet makes a strong bridge. (a) True (b) False
31. 31.🧺 Which of these is needed for the paper bridge? (a) sheets of paper (b) a magnet (c) turmeric powder (d) a battery cell
32. 32.True or false: sheets of paper is needed for the paper bridge. (a) False (b) True
33. 33.🏗️ Where does an eggshell get its strength from? (a) tubes (b) triangles (c) arches and domes
34. 34.True or false: a ruler is not needed for the paper bridge. (a) False (b) True
35. 35.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) sheets of paper (c) two books (d) turmeric powder
36. 36.True or false: rolled paper tubes makes a weak bridge. (a) True (b) False
37. 37.True or false: an electric tower gets its strength from triangles. (a) True (b) False
38. 38.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) two books (c) coins (d) yeast
39. 39.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) paper with folded edges (c) one flat sheet (d) a zigzag-folded sheet
40. 40.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) weak bridge (b) strong bridge

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