Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 227 · 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.🛟 How should the two books be placed for the paper bridge? (a) on a stool edge (b) on top of a pet (c) high and wobbly (d) low and steady
2. 2.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it turns to card (b) it floats up (c) it sags and falls (d) it gets stronger
3. 3.True or false: turmeric powder is needed for the paper bridge. (a) False (b) True
4. 4.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) a torn flat sheet (c) a U-shaped channel (d) one flat sheet
5. 5.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we measure it (b) we keep it the same (c) we change it
6. 6.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
7. 7.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
8. 8.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we measure it (b) we change it (c) we keep it the same
9. 9.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
10. 10.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the kind of paper (b) the shape of the paper (c) coins it holds
11. 11.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) rub your eyes (c) skip washing (d) wash your hands
12. 12.🏗️ Where does a temple dome get its strength from? (a) triangles (b) tubes (c) arches and domes
13. 13.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds make it stiffer (b) folds make it wet (c) folds add glue (d) folds are magnetic
14. 14.⚖️ 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 shape of the paper (c) the kind of paper (d) where coins are placed
15. 15.True or false: a bamboo pole gets its strength from a tube shape. (a) False (b) True
16. 16.🌉 Which of these makes a strong bridge? (a) rolled paper tubes (b) a wet flat sheet (c) one flat sheet (d) a flat tissue
17. 17.🏗️ Where does a hollow bird bone get its strength from? (a) tubes (b) arches and domes (c) triangles
18. 18.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we change it (b) we measure it (c) we keep it the same
19. 19.True or false: a ruler is not needed for the paper bridge. (a) False (b) True
20. 20.🏗️ Where does a bridge truss get its strength from? (a) arches and domes (b) triangles (c) tubes
21. 21.🏗️ Which of these gets its strength from triangles? (a) a hollow bird bone (b) a temple dome (c) a roof frame (d) an old stone bridge
22. 22.True or false: a zigzag-folded sheet makes a strong bridge. (a) True (b) False
23. 23.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a battery cell (c) sheets of paper (d) two books
24. 24.🌉 Which of these makes a weak bridge? (a) one flat sheet (b) a U-shaped channel (c) a zigzag-folded sheet (d) rolled paper tubes
25. 25.True or false: a round pillar gets its strength from a tube shape. (a) False (b) True
26. 26.True or false: coins is needed for the paper bridge. (a) False (b) True
27. 27.🌉 Does paper with folded edges make a strong or a weak bridge? (a) strong bridge (b) weak bridge
28. 28.True or false: sheets of paper is not needed for the paper bridge. (a) False (b) True
29. 29.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the gap between books (b) coins it holds (c) the kind of coins (d) the shape of the paper
30. 30.⚖️ 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
31. 31.🏗️ Where does a bamboo pole get its strength from? (a) arches and domes (b) triangles (c) tubes
32. 32.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) the same coins (b) more coins (c) only water (d) fewer coins
33. 33.True or false: paper with folded edges makes a weak bridge. (a) True (b) False
34. 34.🧺 Do we need a magnet for the paper bridge? (a) not needed (b) needed
35. 35.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) one flat sheet (c) a flat tissue (d) paper with folded edges
36. 36.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) two books (d) yeast
37. 37.🧺 Which of these is needed for the paper bridge? (a) yeast (b) a magnet (c) a mirror (d) two books
38. 38.🏗️ Which of these gets its strength from a tube shape? (a) an electric tower (b) a hollow bird bone (c) a roof frame (d) a bridge truss
39. 39.True or false: a round pillar gets its strength from arches or domes. (a) False (b) True
40. 40.🧺 Do we need a battery cell for the paper bridge? (a) needed (b) not needed

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