Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 388 · 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.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) skip washing (b) lick your fingers (c) wash your hands (d) rub your eyes
2. 2.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
3. 3.True or false: sheets of paper is needed for the paper bridge. (a) True (b) False
4. 4.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
5. 5.🌉 Which of these makes a strong bridge? (a) a zigzag-folded sheet (b) a torn flat sheet (c) a flat tissue (d) a wet flat sheet
6. 6.True or false: turmeric powder is needed for the paper bridge. (a) True (b) False
7. 7.True or false: two books is needed for the paper bridge. (a) False (b) True
8. 8.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) zero (c) fewer (d) more
9. 9.🔍 Which is the odd one out? (a) rolled paper tubes (b) a wet flat sheet (c) a flat tissue (d) one flat sheet
10. 10.🏗️ Where does a temple dome get its strength from? (a) tubes (b) triangles (c) arches and domes
11. 11.True or false: one flat sheet makes a weak bridge. (a) True (b) False
12. 12.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) paper with folded edges (c) a torn flat sheet (d) a U-shaped channel
13. 13.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is what we measure. (a) False (b) True
14. 14.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) a mirror (d) a ruler
15. 15.True or false: a bamboo pole gets its strength from arches or domes. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) paper with folded edges (b) a torn flat sheet (c) a U-shaped channel (d) a zigzag-folded sheet
17. 17.🏗️ Where does an eggshell get its strength from? (a) tubes (b) arches and domes (c) triangles
18. 18.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) coins (c) a ruler (d) a battery cell
19. 19.🏗️ Where does an electric tower get its strength from? (a) tubes (b) triangles (c) arches and domes
20. 20.🏗️ Which of these gets its strength from a tube shape? (a) an electric tower (b) a roof frame (c) an eggshell (d) a bamboo pole
21. 21.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we keep it the same (b) we measure it (c) we change it
22. 22.🧺 Do we need a battery cell for the paper bridge? (a) needed (b) not needed
23. 23.🔮 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
24. 24.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) True (b) False
25. 25.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the kind of coins (b) where coins are placed (c) the kind of paper (d) the shape of the paper
26. 26.True or false: an electric tower gets its strength from triangles. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) paper with folded edges (b) a flat tissue (c) a torn flat sheet (d) a wet flat sheet
28. 28.🧺 Do we need sheets of paper for the paper bridge? (a) needed (b) not needed
29. 29.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) turmeric powder (c) coins (d) two books
30. 30.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
31. 31.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) coins (c) a mirror (d) a battery cell
32. 32.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
33. 33.🔍 Which is the odd one out? (a) rolled paper tubes (b) a wet flat sheet (c) a U-shaped channel (d) paper with folded edges
34. 34.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we measure it (b) we change it (c) we keep it the same
35. 35.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a balloon (b) a ruler (c) two books (d) coins
36. 36.⚖️ 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
37. 37.True or false: one flat sheet makes a strong bridge. (a) False (b) True
38. 38.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds are magnetic (c) folds make it stiffer (d) folds make it wet
39. 39.True or false: a bamboo pole gets its strength from a tube shape. (a) False (b) True
40. 40.True or false: a U-shaped channel makes a weak bridge. (a) False (b) True

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