Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 798 · 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: turmeric powder is needed for the paper bridge. (a) False (b) True
2. 2.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) a round pillar (c) a hollow bird bone (d) a roof frame
3. 3.True or false: yeast is needed for the paper bridge. (a) False (b) True
4. 4.🧺 Do we need yeast for the paper bridge? (a) needed (b) not needed
5. 5.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a wet flat sheet (c) a zigzag-folded sheet (d) a torn flat sheet
6. 6.True or false: one flat sheet makes a strong bridge. (a) True (b) False
7. 7.⚖️ 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 change it (c) we measure it
8. 8.⚖️ 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) the gap between books
9. 9.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
10. 10.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
11. 11.🧺 Do we need a magnet for the paper bridge? (a) not needed (b) needed
12. 12.🏗️ Which of these gets its strength from arches or domes? (a) an old stone bridge (b) an electric tower (c) a bridge truss (d) a hollow bird bone
13. 13.🧺 Do we need a battery cell for the paper bridge? (a) not needed (b) needed
14. 14.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we measure it (b) we keep it the same (c) we change it
15. 15.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds make it wet (b) folds add glue (c) folds make it stiffer (d) folds are magnetic
16. 16.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) the same coins (b) only water (c) more coins (d) fewer coins
17. 17.True or false: a wet flat sheet makes a weak bridge. (a) False (b) True
18. 18.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) True (b) False
19. 19.🏗️ Which of these gets its strength from arches or domes? (a) a hollow bird bone (b) an eggshell (c) an electric tower (d) a bamboo pole
20. 20.🌉 Does a flat tissue make a strong or a weak bridge? (a) strong bridge (b) weak bridge
21. 21.🏗️ Where does a temple dome get its strength from? (a) triangles (b) tubes (c) arches and domes
22. 22.True or false: a bridge truss gets its strength from triangles. (a) False (b) True
23. 23.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is what we measure. (a) True (b) False
24. 24.🏗️ Where does a hollow bird bone get its strength from? (a) triangles (b) arches and domes (c) tubes
25. 25.🏗️ Where does a bamboo pole get its strength from? (a) arches and domes (b) triangles (c) tubes
26. 26.🧺 Do we need two books for the paper bridge? (a) not needed (b) needed
27. 27.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
28. 28.🔍 Which is the odd one out? (a) a U-shaped channel (b) a zigzag-folded sheet (c) paper with folded edges (d) a flat tissue
29. 29.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the kind of paper (b) the shape of the paper (c) coins it holds
30. 30.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
31. 31.True or false: two books is needed for the paper bridge. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) one flat sheet (b) a wet flat sheet (c) a torn flat sheet (d) a zigzag-folded sheet
33. 33.True or false: coins is needed for the paper bridge. (a) True (b) False
34. 34.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it floats up (b) it turns to card (c) it gets stronger (d) it sags and falls
35. 35.🏗️ Where does an old stone bridge get its strength from? (a) arches and domes (b) triangles (c) tubes
36. 36.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) zero (c) fewer (d) more
37. 37.🏗️ Which of these gets its strength from a tube shape? (a) a hollow bird bone (b) an electric tower (c) a bridge truss (d) an old stone bridge
38. 38.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) on a stool edge (c) high and wobbly (d) low and steady
39. 39.🧺 Do we need a balloon for the paper bridge? (a) not needed (b) needed
40. 40.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) a wet flat sheet (c) rolled paper tubes (d) paper with folded edges

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