Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 656 · 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.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) coins (c) a magnet (d) sheets of paper
2. 2.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
3. 3.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) coins (c) two books (d) a balloon
4. 4.🌉 Does paper with folded edges make a strong or a weak bridge? (a) strong bridge (b) weak bridge
5. 5.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it gets stronger (b) it sags and falls (c) it turns to card (d) it floats up
6. 6.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) strong bridge (b) weak bridge
7. 7.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) a balloon (c) a battery cell (d) sheets of paper
8. 8.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the square (b) the triangle (c) the heart shape (d) the star
9. 9.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) a U-shaped channel (c) a zigzag-folded sheet (d) a torn flat sheet
10. 10.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the kind of paper (b) coins it holds (c) the shape of the paper (d) the kind of coins
11. 11.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we change it (b) we keep it the same (c) we measure it
12. 12.🏗️ Which of these gets its strength from triangles? (a) an eggshell (b) an electric tower (c) a temple dome (d) a round pillar
13. 13.True or false: a ruler is not needed for the paper bridge. (a) True (b) False
14. 14.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the kind of coins (b) coins it holds (c) the kind of paper (d) the shape of the paper
15. 15.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is the one thing we change. (a) True (b) False
16. 16.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
17. 17.🏗️ Which of these gets its strength from triangles? (a) an eggshell (b) a hollow bird bone (c) an old stone bridge (d) a bridge truss
18. 18.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds make it wet (c) folds make it stiffer (d) folds are magnetic
19. 19.True or false: turmeric powder is not needed for the paper bridge. (a) False (b) True
20. 20.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) wash your hands (b) skip washing (c) rub your eyes (d) lick your fingers
21. 21.🏗️ Where does a temple dome get its strength from? (a) triangles (b) tubes (c) arches and domes
22. 22.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a U-shaped channel (c) a torn flat sheet (d) paper with folded edges
23. 23.🧺 Do we need a ruler for the paper bridge? (a) needed (b) not needed
24. 24.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) the same number of (c) more (d) zero
25. 25.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is kept the same. (a) False (b) True
26. 26.🌉 Does a flat tissue make a strong or a weak bridge? (a) strong bridge (b) weak bridge
27. 27.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
28. 28.🔍 Which is the odd one out? (a) rolled paper tubes (b) a U-shaped channel (c) a wet flat sheet (d) a zigzag-folded sheet
29. 29.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) fewer coins (b) the same coins (c) only water (d) more coins
30. 30.True or false: a temple dome gets its strength from arches or domes. (a) False (b) True
31. 31.True or false: a wet flat sheet makes a weak bridge. (a) False (b) True
32. 32.🏗️ Where does a bamboo pole get its strength from? (a) triangles (b) tubes (c) arches and domes
33. 33.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) a wet flat sheet (c) rolled paper tubes (d) one flat sheet
34. 34.🔍 Which is the odd one out? (a) paper with folded edges (b) one flat sheet (c) a U-shaped channel (d) a zigzag-folded sheet
35. 35.True or false: rolled paper tubes makes a weak bridge. (a) False (b) True
36. 36.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
37. 37.🏗️ Which of these gets its strength from a tube shape? (a) an old stone bridge (b) a bamboo pole (c) a temple dome (d) a roof frame
38. 38.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) turmeric powder (c) coins (d) yeast
39. 39.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the shape of the paper (b) the kind of paper (c) coins it holds
40. 40.🏗️ Where does a roof frame get its strength from? (a) tubes (b) triangles (c) arches and domes

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