Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 730 · 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.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
2. 2.True or false: yeast is not needed for the paper bridge. (a) False (b) True
3. 3.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) True (b) False
4. 4.🧺 Which of these is needed for the paper bridge? (a) yeast (b) a battery cell (c) a mirror (d) a ruler
5. 5.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the kind of coins (b) the shape of the paper (c) coins it holds (d) the gap between books
6. 6.🧺 Do we need turmeric powder for the paper bridge? (a) not needed (b) needed
7. 7.🧺 Which of these is not needed for the paper bridge? (a) a battery cell (b) coins (c) a ruler (d) sheets of paper
8. 8.True or false: a torn flat sheet makes a weak bridge. (a) False (b) True
9. 9.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a ruler (c) sheets of paper (d) a mirror
10. 10.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
11. 11.⚖️ 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 keep it the same (c) we change it
12. 12.🏗️ Which of these gets its strength from triangles? (a) a roof frame (b) a hollow bird bone (c) an old stone bridge (d) a temple dome
13. 13.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) False (b) True
14. 14.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is the one thing we change. (a) True (b) False
15. 15.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) upward (b) not at all (c) less (d) more
16. 16.🌉 Which of these makes a weak bridge? (a) paper with folded edges (b) a torn flat sheet (c) rolled paper tubes (d) a zigzag-folded sheet
17. 17.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the heart shape (b) the square (c) the triangle (d) the star
18. 18.⚖️ 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 measure it (c) we change it
19. 19.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a balloon (b) coins (c) sheets of paper (d) a ruler
20. 20.🧺 Do we need two books for the paper bridge? (a) not needed (b) needed
21. 21.🏗️ Which of these gets its strength from triangles? (a) a bridge truss (b) an old stone bridge (c) a hollow bird bone (d) a bamboo pole
22. 22.⚖️ 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
23. 23.🏗️ Where does a bridge truss get its strength from? (a) tubes (b) triangles (c) arches and domes
24. 24.🏗️ Which of these gets its strength from arches or domes? (a) a hollow bird bone (b) a round pillar (c) a temple dome (d) a roof frame
25. 25.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) fewer (c) more (d) the same number of
26. 26.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) a flat tissue (c) paper with folded edges (d) a torn flat sheet
27. 27.True or false: a flat tissue makes a strong bridge. (a) False (b) True
28. 28.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is magnetic (b) its curved arch shape (c) it is made of steel (d) it is very hot
29. 29.🌉 Which of these makes a strong bridge? (a) rolled paper tubes (b) a torn flat sheet (c) one flat sheet (d) a wet flat sheet
30. 30.🏗️ Where does a bamboo pole get its strength from? (a) tubes (b) triangles (c) arches and domes
31. 31.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
32. 32.⚖️ 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 kind of paper (c) coins it holds (d) the shape of the paper
33. 33.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) skip washing (c) rub your eyes (d) wash your hands
34. 34.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) coins (c) sheets of paper (d) turmeric powder
35. 35.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) a mirror (c) a magnet (d) coins
36. 36.🏗️ Where does a temple dome get its strength from? (a) tubes (b) triangles (c) arches and domes
37. 37.True or false: rolled paper tubes makes a weak bridge. (a) False (b) True
38. 38.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
39. 39.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
40. 40.🔍 Which is the odd one out? (a) a torn flat sheet (b) a U-shaped channel (c) one flat sheet (d) a flat tissue

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