Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 748 · 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.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
2. 2.🏗️ Where does a bamboo pole get its strength from? (a) triangles (b) tubes (c) arches and domes
3. 3.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
4. 4.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
5. 5.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) only water (c) the same coins (d) fewer coins
6. 6.🧺 Do we need yeast for the paper bridge? (a) needed (b) not needed
7. 7.True or false: paper with folded edges makes a strong bridge. (a) True (b) False
8. 8.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) an electric tower (c) an eggshell (d) a round pillar
9. 9.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) zero (c) more (d) the same number of
10. 10.🧺 Which of these is not needed for the paper bridge? (a) a mirror (b) a ruler (c) sheets of paper (d) coins
11. 11.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is kept the same. (a) False (b) True
12. 12.True or false: a torn flat sheet makes a strong bridge. (a) False (b) True
13. 13.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) turmeric powder (d) two books
14. 14.True or false: a temple dome gets its strength from arches or domes. (a) True (b) False
15. 15.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) rolled paper tubes (c) one flat sheet (d) a torn flat sheet
16. 16.True or false: a wet flat sheet makes a weak bridge. (a) False (b) True
17. 17.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) low and steady (c) on a stool edge (d) on top of a pet
18. 18.True or false: a U-shaped channel makes a strong bridge. (a) True (b) False
19. 19.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the shape of the paper (b) where coins are placed (c) the gap between books (d) coins it holds
20. 20.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) not at all (c) upward (d) more
21. 21.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is kept the same. (a) False (b) True
22. 22.True or false: an electric tower gets its strength from arches or domes. (a) False (b) True
23. 23.🏗️ Where does a hollow bird bone get its strength from? (a) arches and domes (b) tubes (c) triangles
24. 24.🔍 Which is the odd one out? (a) a flat tissue (b) paper with folded edges (c) a zigzag-folded sheet (d) a U-shaped channel
25. 25.⚖️ 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
26. 26.🧺 Which of these is not needed for the paper bridge? (a) coins (b) sheets of paper (c) a magnet (d) two books
27. 27.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we measure it (b) we change it (c) we keep it the same
28. 28.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) coins it holds (b) the gap between books (c) the shape of the paper
29. 29.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) a magnet (c) sheets of paper (d) two books
30. 30.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) coins (c) yeast (d) a mirror
31. 31.🏗️ Which of these gets its strength from a tube shape? (a) a bridge truss (b) a bamboo pole (c) a temple dome (d) an old stone bridge
32. 32.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) a bamboo pole (c) an eggshell (d) a bridge truss
33. 33.🔍 Which is the odd one out? (a) a wet flat sheet (b) a U-shaped channel (c) rolled paper tubes (d) a zigzag-folded sheet
34. 34.True or false: a battery cell is needed for the paper bridge. (a) True (b) False
35. 35.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) wash your hands (c) skip washing (d) lick your fingers
36. 36.⚖️ 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
37. 37.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we change it (b) we measure it (c) we keep it the same
38. 38.🏗️ Which of these gets its strength from arches or domes? (a) a roof frame (b) an electric tower (c) a bamboo pole (d) an old stone bridge
39. 39.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) where coins are placed (b) the kind of coins (c) the shape of the paper (d) coins it holds
40. 40.🔍 Which is the odd one out? (a) a U-shaped channel (b) a zigzag-folded sheet (c) paper with folded edges (d) a torn flat sheet

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