Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 692 · 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: two books is needed for the paper bridge. (a) False (b) True
2. 2.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the shape of the paper (b) coins it holds (c) where coins are placed (d) the gap between books
3. 3.True or false: an eggshell gets its strength from arches or domes. (a) True (b) False
4. 4.🏗️ Which of these gets its strength from triangles? (a) a round pillar (b) a bamboo pole (c) an old stone bridge (d) a bridge truss
5. 5.True or false: a mirror is needed for the paper bridge. (a) False (b) True
6. 6.🌉 Does paper with folded edges make a strong or a weak bridge? (a) weak bridge (b) strong bridge
7. 7.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) sheets of paper (d) a balloon
8. 8.True or false: an old stone bridge gets its strength from a tube shape. (a) False (b) True
9. 9.True or false: a wet flat sheet makes a strong bridge. (a) True (b) False
10. 10.🏗️ Where does a bridge truss get its strength from? (a) tubes (b) arches and domes (c) triangles
11. 11.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a ruler (c) coins (d) a magnet
12. 12.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) rolled paper tubes (c) one flat sheet (d) a wet flat sheet
13. 13.🧺 Which of these is not needed for the paper bridge? (a) yeast (b) two books (c) a ruler (d) sheets of paper
14. 14.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) a mirror (c) a balloon (d) sheets of paper
15. 15.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
16. 16.True or false: a U-shaped channel makes a weak bridge. (a) False (b) True
17. 17.🏗️ Where does a temple dome get its strength from? (a) arches and domes (b) tubes (c) triangles
18. 18.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it sags and falls (b) it floats up (c) it gets stronger (d) it turns to card
19. 19.🏗️ Which of these gets its strength from arches or domes? (a) a hollow bird bone (b) an electric tower (c) a bridge truss (d) a temple dome
20. 20.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
21. 21.🧺 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
22. 22.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) a magnet (c) coins (d) sheets of paper
23. 23.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a U-shaped channel (c) a torn flat sheet (d) paper with folded edges
24. 24.🥚 Why is an egg hard to crush when you press on its two ends? (a) its curved arch shape (b) it is very hot (c) it is made of steel (d) it is magnetic
25. 25.True or false: a zigzag-folded sheet makes a strong bridge. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) one flat sheet (b) rolled paper tubes (c) a U-shaped channel (d) a zigzag-folded sheet
27. 27.True or false: a mirror is not needed for the paper bridge. (a) False (b) True
28. 28.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) not at all (b) less (c) more (d) upward
29. 29.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) a wet flat sheet (c) a U-shaped channel (d) rolled paper tubes
30. 30.🔍 Which is the odd one out? (a) paper with folded edges (b) one flat sheet (c) a torn flat sheet (d) a flat tissue
31. 31.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) strong bridge (b) weak bridge
32. 32.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is kept the same. (a) False (b) True
33. 33.⚖️ 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
34. 34.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) a ruler (c) a balloon (d) yeast
35. 35.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) fewer coins (c) the same coins (d) only water
36. 36.🔺 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 heart shape (d) the square
37. 37.True or false: a roof frame gets its strength from triangles. (a) False (b) True
38. 38.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) a flat tissue (c) paper with folded edges (d) a wet flat sheet
39. 39.🧺 Which of these is needed for the paper bridge? (a) two books (b) a magnet (c) yeast (d) a mirror
40. 40.True or false: rolled paper tubes makes a weak bridge. (a) True (b) False

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