Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 941 · 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? What do we do with “the shape of the paper”? (a) we measure it (b) we change it (c) we keep it the same
2. 2.True or false: yeast is not needed for the paper bridge. (a) True (b) False
3. 3.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it gets stronger (b) it sags and falls (c) it turns to card (d) it floats up
4. 4.🧺 Which of these is needed for the paper bridge? (a) a ruler (b) turmeric powder (c) yeast (d) a magnet
5. 5.🧺 Which of these is not needed for the paper bridge? (a) a magnet (b) two books (c) a ruler (d) coins
6. 6.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) a magnet (d) a ruler
7. 7.⚖️ 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 paper (c) coins it holds
8. 8.🏗️ Which of these gets its strength from triangles? (a) a hollow bird bone (b) a bamboo pole (c) an old stone bridge (d) a roof frame
9. 9.True or false: a U-shaped channel makes a weak bridge. (a) True (b) False
10. 10.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
11. 11.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds make it stiffer (c) folds make it wet (d) folds are magnetic
12. 12.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
13. 13.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we change it (b) we keep it the same (c) we measure it
14. 14.🏗️ Where does a round pillar get its strength from? (a) arches and domes (b) triangles (c) tubes
15. 15.🔍 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
16. 16.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) where coins are placed (b) coins it holds (c) the shape of the paper (d) the kind of paper
17. 17.🏗️ Which of these gets its strength from arches or domes? (a) an old stone bridge (b) an electric tower (c) a round pillar (d) a hollow bird bone
18. 18.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
19. 19.🧺 Which of these is not needed for the paper bridge? (a) coins (b) sheets of paper (c) a balloon (d) a ruler
20. 20.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is very hot (b) it is magnetic (c) it is made of steel (d) its curved arch shape
21. 21.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we measure it (b) we keep it the same (c) we change it
22. 22.True or false: a mirror is not needed for the paper bridge. (a) False (b) True
23. 23.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) one flat sheet (c) a U-shaped channel (d) paper with folded edges
24. 24.True or false: yeast is needed for the paper bridge. (a) False (b) True
25. 25.🌉 Which of these makes a weak bridge? (a) paper with folded edges (b) rolled paper tubes (c) a zigzag-folded sheet (d) a flat tissue
26. 26.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
27. 27.True or false: a balloon is needed for the paper bridge. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) a wet flat sheet (b) a flat tissue (c) a zigzag-folded sheet (d) one flat sheet
29. 29.🔍 Which is the odd one out? (a) a torn flat sheet (b) one flat sheet (c) rolled paper tubes (d) a flat tissue
30. 30.🧺 Do we need a ruler for the paper bridge? (a) needed (b) not needed
31. 31.🔍 Which is the odd one out? (a) a U-shaped channel (b) paper with folded edges (c) a flat tissue (d) rolled paper tubes
32. 32.True or false: a round pillar gets its strength from a tube shape. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) paper with folded edges (c) a U-shaped channel (d) one flat sheet
34. 34.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the star (b) the triangle (c) the square (d) the heart shape
35. 35.True or false: a ruler is not needed for the paper bridge. (a) False (b) True
36. 36.🌉 Does one flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
37. 37.⚖️ 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
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.True or false: a temple dome gets its strength from a tube shape. (a) True (b) False
40. 40.🧺 Which of these is needed for the paper bridge? (a) yeast (b) two books (c) a mirror (d) a magnet

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