Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 810 · 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) two books (b) a ruler (c) sheets of paper (d) a battery cell
2. 2.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) fewer (c) more (d) the same number of
3. 3.True or false: sheets of paper is needed for the paper bridge. (a) False (b) True
4. 4.🔍 Which is the odd one out? (a) a wet flat sheet (b) one flat sheet (c) a flat tissue (d) paper with folded edges
5. 5.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a ruler (c) a magnet (d) coins
6. 6.True or false: a mirror is needed for the paper bridge. (a) True (b) False
7. 7.🏗️ Which of these gets its strength from a tube shape? (a) an old stone bridge (b) a bamboo pole (c) a bridge truss (d) an eggshell
8. 8.🏗️ Which of these gets its strength from arches or domes? (a) a hollow bird bone (b) a roof frame (c) an eggshell (d) an electric tower
9. 9.⚖️ 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 gap between books (d) the shape of the paper
10. 10.🧺 Do we need yeast for the paper bridge? (a) not needed (b) needed
11. 11.🏗️ Which of these gets its strength from triangles? (a) a round pillar (b) an electric tower (c) an eggshell (d) an old stone bridge
12. 12.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is the one thing we change. (a) True (b) False
13. 13.🔍 Which is the odd one out? (a) a U-shaped channel (b) rolled paper tubes (c) a zigzag-folded sheet (d) a flat tissue
14. 14.True or false: coins is needed for the paper bridge. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a torn flat sheet (c) rolled paper tubes (d) paper with folded edges
16. 16.⚖️ 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
17. 17.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) fewer coins (b) the same coins (c) more coins (d) only water
18. 18.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
19. 19.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) not at all (c) upward (d) more
20. 20.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) coins it holds (b) the kind of coins (c) the shape of the paper
21. 21.True or false: one flat sheet makes a strong bridge. (a) True (b) False
22. 22.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) sheets of paper (c) a mirror (d) a ruler
23. 23.True or false: a battery cell is needed for the paper bridge. (a) True (b) False
24. 24.True or false: a round pillar gets its strength from triangles. (a) True (b) False
25. 25.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) one flat sheet (c) a flat tissue (d) rolled paper tubes
26. 26.True or false: rolled paper tubes makes a weak bridge. (a) False (b) True
27. 27.⚖️ 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
28. 28.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
29. 29.🧺 Which of these is not needed for the paper bridge? (a) coins (b) sheets of paper (c) a magnet (d) two books
30. 30.🌉 Which of these makes a strong bridge? (a) paper with folded edges (b) a wet flat sheet (c) a flat tissue (d) one flat sheet
31. 31.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) coins (c) a ruler (d) yeast
32. 32.True or false: a mirror is not needed for the paper bridge. (a) True (b) False
33. 33.🧺 Do we need two books 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 kind of paper”? (a) we measure it (b) we keep it the same (c) we change it
35. 35.True or false: a temple dome gets its strength from a tube shape. (a) False (b) True
36. 36.True or false: a flat tissue makes a weak bridge. (a) False (b) True
37. 37.🏗️ Which of these gets its strength from a tube shape? (a) a temple dome (b) an eggshell (c) an electric tower (d) a round pillar
38. 38.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) turmeric powder (b) sheets of paper (c) a ruler (d) two books
39. 39.🌉 Which of these makes a strong bridge? (a) a zigzag-folded sheet (b) one flat sheet (c) a wet flat sheet (d) a flat tissue
40. 40.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) on a stool edge (c) low and steady (d) on top of a pet

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