Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 904 · 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 is the odd one out? (a) a U-shaped channel (b) a zigzag-folded sheet (c) one flat sheet (d) paper with folded edges
2. 2.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the kind of coins (b) coins it holds (c) the shape of the paper (d) the kind of paper
3. 3.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds make it wet (c) folds are magnetic (d) folds make it stiffer
4. 4.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) the same coins (b) more coins (c) only water (d) fewer coins
5. 5.True or false: sheets of paper is needed for the paper bridge. (a) False (b) True
6. 6.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) a U-shaped channel (c) one flat sheet (d) a torn flat sheet
7. 7.⚖️ 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 shape of the paper (c) the kind of paper (d) where coins are placed
8. 8.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is the one thing we change. (a) False (b) True
9. 9.🏗️ Where does a round pillar get its strength from? (a) triangles (b) tubes (c) arches and domes
10. 10.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is what we measure. (a) True (b) False
11. 11.🏗️ Which of these gets its strength from arches or domes? (a) an eggshell (b) a round pillar (c) a bridge truss (d) a bamboo pole
12. 12.🧺 Which of these is not needed for the paper bridge? (a) coins (b) sheets of paper (c) a balloon (d) two books
13. 13.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
14. 14.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) zero (c) the same number of (d) more
15. 15.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) more (b) not at all (c) less (d) upward
16. 16.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) yeast (b) sheets of paper (c) coins (d) two books
17. 17.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it turns to card (b) it gets stronger (c) it floats up (d) it sags and falls
18. 18.True or false: a magnet is needed for the paper bridge. (a) False (b) True
19. 19.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) coins (c) yeast (d) a mirror
20. 20.🧺 Which of these is needed for the paper bridge? (a) yeast (b) a ruler (c) a magnet (d) turmeric powder
21. 21.True or false: a balloon is needed for the paper bridge. (a) True (b) False
22. 22.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) True (b) False
23. 23.True or false: a round pillar gets its strength from a tube shape. (a) True (b) False
24. 24.🌉 Does one flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
25. 25.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we change it (b) we measure it (c) we keep it the same
26. 26.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) low and steady (c) on a stool edge (d) on top of a pet
27. 27.🔍 Which is the odd one out? (a) a torn flat sheet (b) a wet flat sheet (c) a U-shaped channel (d) one flat sheet
28. 28.True or false: a mirror is not needed for the paper bridge. (a) True (b) False
29. 29.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
30. 30.True or false: rolled paper tubes makes a strong bridge. (a) True (b) False
31. 31.True or false: coins is needed for the paper bridge. (a) False (b) True
32. 32.🏗️ Which of these gets its strength from arches or domes? (a) a bridge truss (b) a roof frame (c) a temple dome (d) a bamboo pole
33. 33.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
34. 34.🌉 Which of these makes a weak bridge? (a) one flat sheet (b) a zigzag-folded sheet (c) paper with folded edges (d) rolled paper tubes
35. 35.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the star (b) the heart shape (c) the square (d) the triangle
36. 36.True or false: a roof frame gets its strength from triangles. (a) False (b) True
37. 37.True or false: paper with folded edges makes a weak bridge. (a) False (b) True
38. 38.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) a flat tissue (c) a U-shaped channel (d) paper with folded edges
39. 39.⚖️ 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
40. 40.True or false: a zigzag-folded sheet makes a strong bridge. (a) True (b) False

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