Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 409 · 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: an eggshell gets its strength from arches or domes. (a) False (b) True
2. 2.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) a zigzag-folded sheet (c) paper with folded edges (d) a torn flat sheet
3. 3.🧺 Do we need turmeric powder for the paper bridge? (a) not needed (b) needed
4. 4.🧺 Do we need a battery cell for the paper bridge? (a) needed (b) not needed
5. 5.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
6. 6.⚖️ 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 kind of coins (c) the shape of the paper (d) where coins are placed
7. 7.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
8. 8.True or false: turmeric powder is needed for the paper bridge. (a) True (b) False
9. 9.🏗️ Which of these gets its strength from triangles? (a) a bridge truss (b) an old stone bridge (c) an eggshell (d) a round pillar
10. 10.🏗️ Which of these gets its strength from a tube shape? (a) an old stone bridge (b) a hollow bird bone (c) an electric tower (d) an eggshell
11. 11.🌉 Does one flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
12. 12.True or false: a bridge truss gets its strength from triangles. (a) False (b) True
13. 13.True or false: an old stone bridge gets its strength from triangles. (a) True (b) False
14. 14.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) a battery cell (d) sheets of paper
15. 15.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) a balloon (c) sheets of paper (d) a battery cell
16. 16.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it sags and falls (b) it floats up (c) it gets stronger (d) it turns to card
17. 17.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we change it (b) we measure it (c) we keep it the same
18. 18.🔮 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
19. 19.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we change it (b) we keep it the same (c) we measure it
20. 20.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
21. 21.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a balloon (c) coins (d) a ruler
22. 22.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) the same coins (c) fewer coins (d) more coins
23. 23.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a magnet (c) two books (d) sheets of paper
24. 24.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) more (c) fewer (d) zero
25. 25.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we change it (b) we keep it the same (c) we measure it
26. 26.🏗️ Which of these gets its strength from arches or domes? (a) an old stone bridge (b) a bridge truss (c) a bamboo pole (d) a roof frame
27. 27.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
28. 28.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a mirror (b) sheets of paper (c) a ruler (d) two books
29. 29.True or false: yeast is not needed for the paper bridge. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) a torn flat sheet (b) a flat tissue (c) one flat sheet (d) paper with folded edges
31. 31.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds are magnetic (b) folds add glue (c) folds make it stiffer (d) folds make it wet
32. 32.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) turmeric powder (b) sheets of paper (c) coins (d) two books
33. 33.🔍 Which is the odd one out? (a) a torn flat sheet (b) paper with folded edges (c) a zigzag-folded sheet (d) rolled paper tubes
34. 34.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) coins (c) yeast (d) a ruler
35. 35.True or false: a magnet is not needed for the paper bridge. (a) True (b) False
36. 36.True or false: a round pillar gets its strength from triangles. (a) False (b) True
37. 37.🌉 Does a flat tissue make a strong or a weak bridge? (a) strong bridge (b) weak bridge
38. 38.🧺 Which of these is not needed for the paper bridge? (a) a magnet (b) two books (c) coins (d) sheets of paper
39. 39.🏗️ Where does an old stone bridge get its strength from? (a) tubes (b) triangles (c) arches and domes
40. 40.🔍 Which is the odd one out? (a) a torn flat sheet (b) a flat tissue (c) one flat sheet (d) a zigzag-folded sheet

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