Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 348 · 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 gap between books”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
3. 3.🏗️ Which of these gets its strength from a tube shape? (a) a hollow bird bone (b) an electric tower (c) an eggshell (d) an old stone bridge
4. 4.True or false: a roof frame gets its strength from a tube shape. (a) False (b) True
5. 5.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the shape of the paper (b) coins it holds (c) where coins are placed
6. 6.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) sheets of paper (c) a ruler (d) a balloon
7. 7.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the heart shape (b) the star (c) the triangle (d) the square
8. 8.True or false: a round pillar gets its strength from a tube shape. (a) True (b) False
9. 9.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds make it wet (b) folds are magnetic (c) folds add glue (d) folds make it stiffer
10. 10.🌉 Which of these makes a strong bridge? (a) paper with folded edges (b) a flat tissue (c) one flat sheet (d) a wet flat sheet
11. 11.🔍 Which is the odd one out? (a) a torn flat sheet (b) a flat tissue (c) one flat sheet (d) rolled paper tubes
12. 12.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a ruler (c) coins (d) yeast
13. 13.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
14. 14.🏗️ Where does a bamboo pole get its strength from? (a) tubes (b) arches and domes (c) triangles
15. 15.⚖️ 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
16. 16.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
17. 17.🏗️ Which of these gets its strength from arches or domes? (a) a round pillar (b) a roof frame (c) an electric tower (d) an eggshell
18. 18.🏗️ Where does a roof frame get its strength from? (a) triangles (b) arches and domes (c) tubes
19. 19.🏗️ Which of these gets its strength from a tube shape? (a) an eggshell (b) an electric tower (c) a bamboo pole (d) a roof frame
20. 20.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a battery cell (b) coins (c) two books (d) a ruler
21. 21.True or false: a ruler is needed for the paper bridge. (a) False (b) True
22. 22.🏗️ Which of these gets its strength from arches or domes? (a) a bridge truss (b) a hollow bird bone (c) a bamboo pole (d) a temple dome
23. 23.🏗️ Where does a bridge truss get its strength from? (a) arches and domes (b) triangles (c) tubes
24. 24.🧺 Do we need a mirror for the paper bridge? (a) not needed (b) needed
25. 25.True or false: sheets of paper is not needed for the paper bridge. (a) False (b) True
26. 26.True or false: a mirror is not needed for the paper bridge. (a) False (b) True
27. 27.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it gets stronger (b) it floats up (c) it turns to card (d) it sags and falls
28. 28.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) fewer coins (b) more coins (c) the same coins (d) only water
29. 29.⚖️ 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 kind of paper
30. 30.🧺 Which of these is not needed for the paper bridge? (a) a balloon (b) coins (c) sheets of paper (d) two books
31. 31.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) zero (c) more (d) fewer
32. 32.🏗️ Where does a hollow bird bone get its strength from? (a) arches and domes (b) tubes (c) triangles
33. 33.🏗️ Which of these gets its strength from triangles? (a) a hollow bird bone (b) an eggshell (c) an old stone bridge (d) a bridge truss
34. 34.True or false: rolled paper tubes makes a strong bridge. (a) False (b) True
35. 35.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) a mirror (c) two books (d) coins
36. 36.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we keep it the same (b) we measure it (c) we change it
37. 37.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) turmeric powder (d) a ruler
38. 38.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) upward (c) not at all (d) more
39. 39.True or false: a flat tissue makes a weak bridge. (a) True (b) False
40. 40.🧺 Do we need a magnet for the paper bridge? (a) not needed (b) needed

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