Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 534 · 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 two books for the paper bridge? (a) not needed (b) needed
2. 2.⚖️ 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
3. 3.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we measure it (b) we change it (c) we keep it the same
4. 4.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) coins (c) a ruler (d) a mirror
5. 5.🔍 Which is the odd one out? (a) a U-shaped channel (b) a wet flat sheet (c) rolled paper tubes (d) a zigzag-folded sheet
6. 6.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) skip washing (c) wash your hands (d) lick your fingers
7. 7.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) coins (c) a balloon (d) sheets of paper
8. 8.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) False (b) True
9. 9.🧺 Which of these is not needed for the paper bridge? (a) coins (b) yeast (c) two books (d) sheets of paper
10. 10.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
11. 11.True or false: a bridge truss gets its strength from arches or domes. (a) True (b) False
12. 12.🏗️ Which of these gets its strength from arches or domes? (a) a round pillar (b) a hollow bird bone (c) a bridge truss (d) an old stone bridge
13. 13.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) coins it holds (b) the gap between books (c) the kind of paper (d) the kind of coins
14. 14.True or false: an old stone bridge gets its strength from arches or domes. (a) True (b) False
15. 15.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) yeast (c) two books (d) coins
16. 16.🏗️ Which of these gets its strength from arches or domes? (a) a bamboo pole (b) a temple dome (c) a bridge truss (d) a hollow bird bone
17. 17.True or false: rolled paper tubes makes a strong bridge. (a) False (b) True
18. 18.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is the one thing we change. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) a torn flat sheet (b) rolled paper tubes (c) paper with folded edges (d) a U-shaped channel
20. 20.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is the one thing we change. (a) True (b) False
21. 21.True or false: a roof frame gets its strength from triangles. (a) True (b) False
22. 22.True or false: a bridge truss gets its strength from triangles. (a) False (b) True
23. 23.🏗️ Where does a bridge truss get its strength from? (a) arches and domes (b) tubes (c) triangles
24. 24.True or false: two books is not needed for the paper bridge. (a) False (b) True
25. 25.True or false: a wet flat sheet makes a weak bridge. (a) False (b) True
26. 26.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is the one thing we change. (a) True (b) False
27. 27.🧺 Which of these is needed for the paper bridge? (a) yeast (b) a mirror (c) a ruler (d) a magnet
28. 28.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we change it (b) we measure it (c) we keep it the same
29. 29.🏗️ Where does a hollow bird bone get its strength from? (a) triangles (b) arches and domes (c) tubes
30. 30.🧺 Which of these is needed for the paper bridge? (a) a mirror (b) a magnet (c) sheets of paper (d) a balloon
31. 31.True or false: a bamboo pole gets its strength from triangles. (a) True (b) False
32. 32.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) a wet flat sheet (c) one flat sheet (d) a U-shaped channel
33. 33.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) where coins are placed (b) coins it holds (c) the shape of the paper
34. 34.🛟 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
35. 35.True or false: turmeric powder is needed for the paper bridge. (a) True (b) False
36. 36.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) coins (c) two books (d) turmeric powder
37. 37.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the gap between books (b) the kind of paper (c) where coins are placed (d) the shape of the paper
38. 38.🔍 Which is the odd one out? (a) paper with folded edges (b) a zigzag-folded sheet (c) rolled paper tubes (d) a flat tissue
39. 39.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) upward (b) not at all (c) more (d) less
40. 40.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds make it wet (b) folds add glue (c) folds make it stiffer (d) folds are magnetic

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