Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 393 · 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.True or false: a temple dome gets its strength from arches or domes. (a) True (b) False
2. 2.🛟 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
3. 3.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) more (b) zero (c) fewer (d) the same number of
4. 4.🏗️ Which of these gets its strength from arches or domes? (a) a bridge truss (b) a bamboo pole (c) a temple dome (d) an electric tower
5. 5.🏗️ Where does a roof frame get its strength from? (a) arches and domes (b) triangles (c) tubes
6. 6.🏗️ Which of these gets its strength from triangles? (a) an electric tower (b) an old stone bridge (c) a bamboo pole (d) a hollow bird bone
7. 7.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
8. 8.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) coins (d) a mirror
9. 9.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the square (b) the heart shape (c) the star (d) the triangle
10. 10.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a balloon (c) sheets of paper (d) two books
11. 11.🌉 Does one flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
12. 12.🏗️ Which of these gets its strength from arches or domes? (a) a bamboo pole (b) a round pillar (c) an eggshell (d) a bridge truss
13. 13.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a wet flat sheet (c) paper with folded edges (d) a torn flat sheet
14. 14.True or false: yeast is not needed for the paper bridge. (a) True (b) False
15. 15.True or false: a round pillar gets its strength from arches or domes. (a) True (b) False
16. 16.True or false: two books is not needed for the paper bridge. (a) True (b) False
17. 17.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
18. 18.True or false: paper with folded edges makes a weak bridge. (a) True (b) False
19. 19.🌉 Which of these makes a weak bridge? (a) paper with folded edges (b) rolled paper tubes (c) one flat sheet (d) a zigzag-folded sheet
20. 20.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the kind of paper (b) the shape of the paper (c) the kind of coins (d) coins it holds
21. 21.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) sheets of paper (c) coins (d) a battery cell
22. 22.🌉 Does paper with folded edges make a strong or a weak bridge? (a) weak bridge (b) strong bridge
23. 23.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) paper with folded edges (c) a flat tissue (d) rolled paper tubes
24. 24.True or false: an old stone bridge gets its strength from a tube shape. (a) True (b) False
25. 25.True or false: an eggshell gets its strength from arches or domes. (a) False (b) True
26. 26.🧺 Which of these is not needed for the paper bridge? (a) coins (b) two books (c) a ruler (d) yeast
27. 27.⚖️ 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
28. 28.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) yeast (c) sheets of paper (d) two books
29. 29.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) sheets of paper (c) a ruler (d) a magnet
30. 30.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) coins (c) a magnet (d) sheets of paper
31. 31.🧺 Which of these is not needed for the paper bridge? (a) coins (b) two books (c) sheets of paper (d) a balloon
32. 32.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a wet flat sheet (c) a U-shaped channel (d) a flat tissue
33. 33.🧺 Do we need a mirror for the paper bridge? (a) not needed (b) needed
34. 34.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we keep it the same (b) we measure it (c) we change it
35. 35.True or false: coins is needed for the paper bridge. (a) False (b) True
36. 36.True or false: sheets of paper is needed for the paper bridge. (a) False (b) True
37. 37.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) turmeric powder (c) a ruler (d) two books
38. 38.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we measure it (b) we keep it the same (c) we change it
39. 39.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) fewer coins (c) the same coins (d) more coins
40. 40.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) coins (c) a battery cell (d) a magnet

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