Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 701 · 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 yeast for the paper bridge? (a) needed (b) not needed
2. 2.True or false: a round pillar gets its strength from triangles. (a) True (b) False
3. 3.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
4. 4.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) more (c) zero (d) the same number of
5. 5.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is kept the same. (a) True (b) False
6. 6.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
7. 7.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) a zigzag-folded sheet (c) rolled paper tubes (d) a wet flat sheet
8. 8.True or false: a temple dome gets its strength from arches or domes. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) a wet flat sheet (b) a zigzag-folded sheet (c) a flat tissue (d) a torn flat sheet
10. 10.True or false: a flat tissue makes a strong bridge. (a) False (b) True
11. 11.⚖️ 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
12. 12.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a battery cell (b) sheets of paper (c) a ruler (d) coins
13. 13.🔍 Which is the odd one out? (a) one flat sheet (b) a zigzag-folded sheet (c) paper with folded edges (d) rolled paper tubes
14. 14.🌉 Which of these makes a weak bridge? (a) paper with folded edges (b) rolled paper tubes (c) a zigzag-folded sheet (d) a torn flat sheet
15. 15.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) a ruler (c) a battery cell (d) coins
16. 16.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) yeast (c) coins (d) sheets of paper
17. 17.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) not at all (b) less (c) upward (d) more
18. 18.🧺 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
19. 19.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we keep it the same (b) we measure it (c) we change it
20. 20.True or false: sheets of paper is not needed for the paper bridge. (a) True (b) False
21. 21.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) on a stool edge (c) high and wobbly (d) low and steady
22. 22.🔍 Which is the odd one out? (a) paper with folded edges (b) a flat tissue (c) a U-shaped channel (d) a zigzag-folded sheet
23. 23.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) the same coins (b) fewer coins (c) only water (d) more coins
24. 24.🔍 Which is the odd one out? (a) a U-shaped channel (b) one flat sheet (c) a flat tissue (d) a torn flat sheet
25. 25.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the gap between books (b) where coins are placed (c) the kind of coins (d) the shape of the paper
26. 26.🔍 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 turns to card (d) it gets stronger
27. 27.True or false: a flat tissue makes a weak bridge. (a) True (b) False
28. 28.🧺 Which of these is not needed for the paper bridge? (a) yeast (b) two books (c) coins (d) a ruler
29. 29.🏗️ Which of these gets its strength from triangles? (a) a hollow bird bone (b) a bridge truss (c) a temple dome (d) an old stone bridge
30. 30.True or false: two books is not needed for the paper bridge. (a) False (b) True
31. 31.True or false: a bridge truss gets its strength from a tube shape. (a) False (b) True
32. 32.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) rolled paper tubes (c) a U-shaped channel (d) one flat sheet
33. 33.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we keep it the same (b) we change it (c) we measure it
34. 34.True or false: a round pillar gets its strength from a tube shape. (a) False (b) True
35. 35.🏗️ Which of these gets its strength from arches or domes? (a) a hollow bird bone (b) a temple dome (c) a bamboo pole (d) a roof frame
36. 36.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we change it (b) we measure it (c) we keep it the same
37. 37.True or false: a wet flat sheet makes a weak bridge. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) a U-shaped channel (b) a wet flat sheet (c) a zigzag-folded sheet (d) rolled paper tubes
39. 39.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) coins (c) two books (d) a magnet
40. 40.🔍 Which is the odd one out? (a) a flat tissue (b) a wet flat sheet (c) one flat sheet (d) paper with folded edges

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