Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 844 · 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.🧺 Do we need yeast for the paper bridge? (a) needed (b) not needed
2. 2.🏗️ Where does a temple dome get its strength from? (a) triangles (b) tubes (c) arches and domes
3. 3.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a wet flat sheet (c) rolled paper tubes (d) paper with folded edges
4. 4.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the star (b) the square (c) the heart shape (d) the triangle
5. 5.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) on a stool edge (c) low and steady (d) on top of a pet
6. 6.True or false: a wet flat sheet makes a strong bridge. (a) True (b) False
7. 7.🏗️ Which of these gets its strength from arches or domes? (a) a bamboo pole (b) an eggshell (c) a roof frame (d) a bridge truss
8. 8.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we measure it (b) we change it (c) we keep it the same
9. 9.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) paper with folded edges (c) a torn flat sheet (d) a wet flat sheet
10. 10.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) not at all (b) more (c) upward (d) less
11. 11.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we keep it the same (b) we measure it (c) we change it
12. 12.True or false: a flat tissue makes a weak bridge. (a) True (b) False
13. 13.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) a U-shaped channel (c) paper with folded edges (d) one flat sheet
14. 14.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) a U-shaped channel (c) a flat tissue (d) rolled paper tubes
15. 15.🏗️ Where does an old stone bridge get its strength from? (a) arches and domes (b) triangles (c) tubes
16. 16.🧺 Which of these is needed for the paper bridge? (a) a mirror (b) sheets of paper (c) a magnet (d) a balloon
17. 17.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) a bamboo pole (c) an electric tower (d) an old stone bridge
18. 18.🧺 Which of these is not needed for the paper bridge? (a) coins (b) a ruler (c) yeast (d) two books
19. 19.True or false: an electric tower gets its strength from arches or domes. (a) False (b) True
20. 20.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
21. 21.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) a ruler (c) yeast (d) a mirror
22. 22.🔍 Which is the odd one out? (a) a flat tissue (b) rolled paper tubes (c) a zigzag-folded sheet (d) paper with folded edges
23. 23.True or false: a battery cell is needed for the paper bridge. (a) False (b) True
24. 24.🥚 Why is an egg hard to crush when you press on its two ends? (a) its curved arch shape (b) it is magnetic (c) it is very hot (d) it is made of steel
25. 25.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we measure it (b) we change it (c) we keep it the same
26. 26.🧺 Which of these is not needed for the paper bridge? (a) coins (b) two books (c) sheets of paper (d) a magnet
27. 27.True or false: coins is not needed for the paper bridge. (a) False (b) True
28. 28.🌉 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
29. 29.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a ruler (c) two books (d) a battery cell
30. 30.True or false: a U-shaped channel makes a strong bridge. (a) True (b) False
31. 31.🏗️ Where does a roof frame get its strength from? (a) tubes (b) triangles (c) arches and domes
32. 32.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) False (b) True
33. 33.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
34. 34.True or false: a bamboo pole gets its strength from a tube shape. (a) True (b) False
35. 35.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) paper with folded edges (c) rolled paper tubes (d) a torn flat sheet
36. 36.⚖️ 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
37. 37.🔍 Which is the odd one out? (a) a wet flat sheet (b) rolled paper tubes (c) one flat sheet (d) a flat tissue
38. 38.🧺 Which of these is not needed for the paper bridge? (a) coins (b) sheets of paper (c) a balloon (d) two books
39. 39.🏗️ Where does a bamboo pole get its strength from? (a) arches and domes (b) tubes (c) triangles
40. 40.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we change it (b) we keep it the same (c) we measure it

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