Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 689 · 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 makes a strong bridge? (a) a wet flat sheet (b) rolled paper tubes (c) a flat tissue (d) one flat sheet
2. 2.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is the one thing we change. (a) False (b) True
3. 3.True or false: a torn flat sheet makes a strong bridge. (a) False (b) True
4. 4.True or false: a U-shaped channel makes a weak bridge. (a) True (b) False
5. 5.⚖️ 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 measure it (c) we change it
6. 6.🏗️ Where does a hollow bird bone get its strength from? (a) triangles (b) arches and domes (c) tubes
7. 7.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it sags and falls (b) it turns to card (c) it gets stronger (d) it floats up
8. 8.🛟 How should the two books be placed for the paper bridge? (a) on a stool edge (b) on top of a pet (c) low and steady (d) high and wobbly
9. 9.🧺 Which of these is not needed for the paper bridge? (a) two books (b) turmeric powder (c) sheets of paper (d) coins
10. 10.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) paper with folded edges (c) one flat sheet (d) a zigzag-folded sheet
11. 11.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the shape of the paper (b) coins it holds (c) the gap between books (d) the kind of paper
12. 12.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we keep it the same (b) we measure it (c) we change it
13. 13.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) sheets of paper (c) a balloon (d) a ruler
14. 14.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) False (b) True
15. 15.True or false: a ruler is needed for the paper bridge. (a) False (b) True
16. 16.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we keep it the same (b) we change it (c) we measure it
17. 17.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the heart shape (b) the triangle (c) the square (d) the star
18. 18.True or false: a mirror is needed for the paper bridge. (a) True (b) False
19. 19.True or false: yeast is needed for the paper bridge. (a) True (b) False
20. 20.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) more (c) upward (d) not at all
21. 21.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is the one thing we change. (a) False (b) True
22. 22.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) sheets of paper (c) turmeric powder (d) yeast
23. 23.🔍 Which is the odd one out? (a) a torn flat sheet (b) a zigzag-folded sheet (c) a wet flat sheet (d) one flat sheet
24. 24.🌉 Which of these makes a strong bridge? (a) a U-shaped channel (b) a flat tissue (c) one flat sheet (d) a wet flat sheet
25. 25.🏗️ Which of these gets its strength from triangles? (a) a bamboo pole (b) a temple dome (c) an old stone bridge (d) a roof frame
26. 26.True or false: rolled paper tubes makes a weak bridge. (a) False (b) True
27. 27.True or false: a temple dome gets its strength from a tube shape. (a) True (b) False
28. 28.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) a zigzag-folded sheet (c) rolled paper tubes (d) a torn flat sheet
29. 29.🌉 Which of these makes a weak bridge? (a) a wet flat sheet (b) a U-shaped channel (c) a zigzag-folded sheet (d) paper with folded edges
30. 30.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) skip washing (c) wash your hands (d) rub your eyes
31. 31.True or false: a bamboo pole gets its strength from arches or domes. (a) False (b) True
32. 32.True or false: a round pillar gets its strength from a tube shape. (a) True (b) False
33. 33.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) fewer coins (b) more coins (c) the same coins (d) only water
34. 34.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) the same number of (c) more (d) fewer
35. 35.🔍 Which is the odd one out? (a) a flat tissue (b) a torn flat sheet (c) paper with folded edges (d) a wet flat sheet
36. 36.🔍 Which is the odd one out? (a) a U-shaped channel (b) a wet flat sheet (c) rolled paper tubes (d) a zigzag-folded sheet
37. 37.True or false: a battery cell is needed for the paper bridge. (a) True (b) False
38. 38.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is what we measure. (a) False (b) True
39. 39.🧺 Which of these is not needed for the paper bridge? (a) two books (b) a ruler (c) a magnet (d) coins
40. 40.🔍 Which is the odd one out? (a) paper with folded edges (b) a torn flat sheet (c) a U-shaped channel (d) a zigzag-folded sheet

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