Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 61 · 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.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is the one thing we change. (a) True (b) False
2. 2.True or false: two books is not needed for the paper bridge. (a) False (b) True
3. 3.🌉 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 wet (d) folds make it stiffer
4. 4.True or false: a mirror is needed for the paper bridge. (a) True (b) False
5. 5.🏗️ Where does an eggshell get its strength from? (a) triangles (b) tubes (c) arches and domes
6. 6.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we change it (b) we measure it (c) we keep it the same
7. 7.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) True (b) False
8. 8.🏗️ Where does a temple dome get its strength from? (a) arches and domes (b) tubes (c) triangles
9. 9.🧺 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
10. 10.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a wet flat sheet (c) rolled paper tubes (d) a flat tissue
11. 11.🧺 Do we need a magnet for the paper bridge? (a) not needed (b) needed
12. 12.🧺 Which of these is not needed for the paper bridge? (a) two books (b) a balloon (c) a ruler (d) coins
13. 13.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the kind of paper (b) the kind of coins (c) the gap between books (d) coins it holds
14. 14.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a flat tissue (c) paper with folded edges (d) rolled paper tubes
15. 15.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
16. 16.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) two books (c) yeast (d) a balloon
17. 17.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) a flat tissue (c) paper with folded edges (d) rolled paper tubes
18. 18.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
19. 19.True or false: sheets of paper is not needed for the paper bridge. (a) False (b) True
20. 20.⚖️ 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
21. 21.🔺 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 square (d) the triangle
22. 22.🔍 Which is the odd one out? (a) paper with folded edges (b) one flat sheet (c) a zigzag-folded sheet (d) a U-shaped channel
23. 23.🏗️ Which of these gets its strength from a tube shape? (a) a roof frame (b) an old stone bridge (c) an electric tower (d) a hollow bird bone
24. 24.🏗️ Where does a round pillar get its strength from? (a) triangles (b) tubes (c) arches and domes
25. 25.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) a ruler (d) a battery cell
26. 26.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) high and wobbly (c) low and steady (d) on a stool edge
27. 27.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
28. 28.🏗️ Where does a hollow bird bone get its strength from? (a) tubes (b) arches and domes (c) triangles
29. 29.🔍 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
30. 30.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) a mirror (c) coins (d) turmeric powder
31. 31.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) turmeric powder (c) a ruler (d) a battery cell
32. 32.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
33. 33.🧺 Do we need sheets of paper for the paper bridge? (a) needed (b) not needed
34. 34.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it gets stronger (b) it turns to card (c) it sags and falls (d) it floats up
35. 35.⚖️ 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 measure it (c) we change it
36. 36.True or false: one flat sheet makes a strong bridge. (a) True (b) False
37. 37.True or false: an old stone bridge gets its strength from a tube shape. (a) True (b) False
38. 38.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) upward (c) not at all (d) more
39. 39.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we change it (b) we measure it (c) we keep it the same
40. 40.🛟 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

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