Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 816 · 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.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) a mirror (d) sheets of paper
2. 2.🏗️ Where does a round pillar get its strength from? (a) triangles (b) tubes (c) arches and domes
3. 3.🏗️ Which of these gets its strength from triangles? (a) a round pillar (b) a bamboo pole (c) a temple dome (d) a bridge truss
4. 4.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) yeast (d) a ruler
5. 5.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) fewer (c) zero (d) more
6. 6.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) where coins are placed (b) the shape of the paper (c) coins it holds
7. 7.🏗️ Which of these gets its strength from triangles? (a) an old stone bridge (b) a bamboo pole (c) a hollow bird bone (d) a roof frame
8. 8.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) sheets of paper (c) a magnet (d) two books
9. 9.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) rolled paper tubes (c) a torn flat sheet (d) a flat tissue
10. 10.True or false: a flat tissue makes a strong bridge. (a) False (b) True
11. 11.True or false: a U-shaped channel makes a strong bridge. (a) True (b) False
12. 12.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we keep it the same (b) we change it (c) we measure it
13. 13.True or false: a zigzag-folded sheet makes a strong bridge. (a) False (b) True
14. 14.🏗️ Which of these gets its strength from arches or domes? (a) a bamboo pole (b) a roof frame (c) a bridge truss (d) a temple dome
15. 15.True or false: a torn flat sheet makes a weak bridge. (a) False (b) True
16. 16.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) paper with folded edges (c) a torn flat sheet (d) a flat tissue
17. 17.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) wash your hands (c) rub your eyes (d) skip washing
18. 18.True or false: a roof frame gets its strength from a tube shape. (a) True (b) False
19. 19.⚖️ 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
20. 20.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) the same coins (b) more coins (c) only water (d) fewer coins
21. 21.True or false: an old stone bridge gets its strength from a tube shape. (a) False (b) True
22. 22.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is what we measure. (a) True (b) False
23. 23.🏗️ Where does a roof frame get its strength from? (a) triangles (b) tubes (c) arches and domes
24. 24.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
25. 25.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
26. 26.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we keep it the same (b) we change it (c) we measure it
27. 27.🧺 Do we need a magnet for the paper bridge? (a) not needed (b) needed
28. 28.🏗️ Where does an eggshell get its strength from? (a) tubes (b) arches and domes (c) triangles
29. 29.True or false: rolled paper tubes makes a strong bridge. (a) False (b) True
30. 30.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is made of steel (b) its curved arch shape (c) it is very hot (d) it is magnetic
31. 31.🧺 Do we need a ruler for the paper bridge? (a) needed (b) not needed
32. 32.⚖️ 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
33. 33.🏗️ Where does a temple dome get its strength from? (a) triangles (b) tubes (c) arches and domes
34. 34.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a balloon (c) two books (d) coins
35. 35.🔍 Which is the odd one out? (a) a wet flat sheet (b) one flat sheet (c) a zigzag-folded sheet (d) a flat tissue
36. 36.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) not at all (b) less (c) more (d) upward
37. 37.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) yeast (c) turmeric powder (d) coins
38. 38.True or false: sheets of paper is not needed for the paper bridge. (a) True (b) False
39. 39.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) sheets of paper (d) turmeric powder
40. 40.🏗️ Which of these gets its strength from arches or domes? (a) a round pillar (b) a hollow bird bone (c) an old stone bridge (d) a roof frame

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