Paper Bridge STEM Challenge Worksheet

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

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