Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 208 · 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.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) coins (c) a mirror (d) turmeric powder
2. 2.True or false: a temple dome gets its strength from arches or domes. (a) False (b) True
3. 3.🧺 Which of these is not needed for the paper bridge? (a) two books (b) sheets of paper (c) a magnet (d) a ruler
4. 4.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) fewer coins (b) more coins (c) only water (d) the same coins
5. 5.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) one flat sheet (c) a wet flat sheet (d) a flat tissue
6. 6.⚖️ 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) the kind of coins
7. 7.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the shape of the paper (b) coins it holds (c) the kind of coins (d) the kind of paper
8. 8.True or false: a flat tissue makes a strong bridge. (a) False (b) True
9. 9.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
10. 10.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
11. 11.True or false: an electric tower gets its strength from triangles. (a) True (b) False
12. 12.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) a wet flat sheet (c) a flat tissue (d) a zigzag-folded sheet
13. 13.🔍 Which is the odd one out? (a) rolled paper tubes (b) a zigzag-folded sheet (c) a U-shaped channel (d) a wet flat sheet
14. 14.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we change it (b) we measure it (c) we keep it the same
15. 15.🧺 Which of these is not needed for the paper bridge? (a) two books (b) a mirror (c) sheets of paper (d) a ruler
16. 16.True or false: an old stone bridge gets its strength from arches or domes. (a) False (b) True
17. 17.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is the one thing we change. (a) True (b) False
18. 18.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) more (b) upward (c) less (d) not at all
19. 19.True or false: one flat sheet makes a weak bridge. (a) False (b) True
20. 20.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) coins it holds (b) where coins are placed (c) the gap between books (d) the shape of the paper
21. 21.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is what we measure. (a) False (b) True
22. 22.🏗️ Which of these gets its strength from triangles? (a) a bridge truss (b) a round pillar (c) an old stone bridge (d) an eggshell
23. 23.⚖️ 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) the kind of paper
24. 24.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) two books (c) sheets of paper (d) yeast
25. 25.True or false: rolled paper tubes makes a strong bridge. (a) True (b) False
26. 26.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) coins (c) a ruler (d) turmeric powder
27. 27.🧺 Do we need two books for the paper bridge? (a) not needed (b) needed
28. 28.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) coins (c) a ruler (d) a balloon
29. 29.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a magnet (b) a ruler (c) sheets of paper (d) coins
30. 30.🌉 Which of these makes a weak bridge? (a) a wet flat sheet (b) a zigzag-folded sheet (c) a U-shaped channel (d) paper with folded edges
31. 31.🏗️ Which of these gets its strength from arches or domes? (a) a bridge truss (b) a round pillar (c) an eggshell (d) a hollow bird bone
32. 32.🏗️ Where does a hollow bird bone get its strength from? (a) tubes (b) arches and domes (c) triangles
33. 33.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds are magnetic (b) folds make it wet (c) folds add glue (d) folds make it stiffer
34. 34.True or false: a wet flat sheet makes a strong bridge. (a) True (b) False
35. 35.True or false: a magnet is not needed for the paper bridge. (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) a torn flat sheet (b) a U-shaped channel (c) paper with folded edges (d) a zigzag-folded sheet
37. 37.🧺 Which of these is needed for the paper bridge? (a) yeast (b) a battery cell (c) a balloon (d) sheets of paper
38. 38.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a wet flat sheet (c) a flat tissue (d) paper with folded edges
39. 39.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) zero (c) the same number of (d) more
40. 40.True or false: two books is needed for the paper bridge. (a) False (b) True

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