Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 285 · 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 an eggshell get its strength from? (a) tubes (b) triangles (c) arches and domes
2. 2.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is the one thing we change. (a) False (b) True
3. 3.🌉 Does paper with folded edges make a strong or a weak bridge? (a) weak bridge (b) strong bridge
4. 4.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
5. 5.🏗️ Which of these gets its strength from arches or domes? (a) a bridge truss (b) an eggshell (c) a round pillar (d) a roof frame
6. 6.True or false: a hollow bird bone gets its strength from triangles. (a) False (b) True
7. 7.🛟 How should the two books be placed for the paper bridge? (a) on a stool edge (b) on top of a pet (c) high and wobbly (d) low and steady
8. 8.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) fewer coins (c) more coins (d) the same coins
9. 9.🏗️ Which of these gets its strength from a tube shape? (a) a bridge truss (b) a temple dome (c) a round pillar (d) an eggshell
10. 10.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) sheets of paper (c) two books (d) a balloon
11. 11.True or false: a roof frame gets its strength from triangles. (a) False (b) True
12. 12.🏗️ Which of these gets its strength from arches or domes? (a) a bamboo pole (b) a bridge truss (c) an old stone bridge (d) a roof frame
13. 13.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the kind of paper (b) the gap between books (c) the shape of the paper (d) coins it holds
14. 14.True or false: a round pillar gets its strength from triangles. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) one flat sheet (b) a torn flat sheet (c) a zigzag-folded sheet (d) a flat tissue
16. 16.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) paper with folded edges (c) rolled paper tubes (d) a wet flat sheet
17. 17.True or false: a U-shaped channel makes a weak bridge. (a) True (b) False
18. 18.🧺 Which of these is not needed for the paper bridge? (a) a balloon (b) coins (c) sheets of paper (d) a ruler
19. 19.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
20. 20.True or false: coins is needed for the paper bridge. (a) True (b) False
21. 21.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) turmeric powder (b) sheets of paper (c) a ruler (d) two books
22. 22.🔍 Which is the odd one out? (a) a U-shaped channel (b) paper with folded edges (c) rolled paper tubes (d) a torn flat sheet
23. 23.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it turns to card (b) it floats up (c) it gets stronger (d) it sags and falls
24. 24.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) coins it holds (b) the shape of the paper (c) where coins are placed
25. 25.True or false: turmeric powder is not needed for the paper bridge. (a) False (b) True
26. 26.True or false: one flat sheet makes a weak bridge. (a) False (b) True
27. 27.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we keep it the same (b) we change it (c) we measure it
28. 28.🏗️ Which of these gets its strength from arches or domes? (a) a round pillar (b) a temple dome (c) a hollow bird bone (d) a bamboo pole
29. 29.True or false: one flat sheet makes a strong bridge. (a) True (b) False
30. 30.🛟 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
31. 31.True or false: a magnet is needed for the paper bridge. (a) False (b) True
32. 32.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
33. 33.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is the one thing we change. (a) False (b) True
34. 34.🧺 Which of these is not needed for the paper bridge? (a) two books (b) a mirror (c) coins (d) sheets of paper
35. 35.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) sheets of paper (c) a ruler (d) a battery cell
36. 36.🧺 Do we need a battery cell for the paper bridge? (a) needed (b) not needed
37. 37.🔺 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
38. 38.🏗️ Where does an old stone bridge get its strength from? (a) tubes (b) triangles (c) arches and domes
39. 39.⚖️ 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
40. 40.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) the same number of (c) more (d) zero

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