Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 593 · 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 wet flat sheet (b) rolled paper tubes (c) a flat tissue (d) one flat sheet
2. 2.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) more (c) zero (d) the same number of
3. 3.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a flat tissue (c) a torn flat sheet (d) one flat sheet
4. 4.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
5. 5.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we measure it (b) we change it (c) we keep it the same
6. 6.True or false: an old stone bridge gets its strength from arches or domes. (a) True (b) False
7. 7.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the square (b) the star (c) the triangle (d) the heart shape
8. 8.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the kind of coins (b) the shape of the paper (c) coins it holds
9. 9.True or false: a battery cell is needed for the paper bridge. (a) True (b) False
10. 10.🌉 Which of these makes a weak bridge? (a) a torn flat sheet (b) a zigzag-folded sheet (c) a U-shaped channel (d) rolled paper tubes
11. 11.True or false: yeast is needed for the paper bridge. (a) False (b) True
12. 12.🧺 Do we need a ruler for the paper bridge? (a) needed (b) not needed
13. 13.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) skip washing (b) rub your eyes (c) lick your fingers (d) wash your hands
14. 14.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a mirror (c) sheets of paper (d) a ruler
15. 15.True or false: a temple dome gets its strength from arches or domes. (a) False (b) True
16. 16.True or false: a mirror is needed for the paper bridge. (a) False (b) True
17. 17.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) False (b) True
18. 18.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we measure it (b) we keep it the same (c) we change it
19. 19.🌉 Does one flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
20. 20.True or false: two books is not needed for the paper bridge. (a) False (b) True
21. 21.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) coins (c) turmeric powder (d) two books
22. 22.True or false: a bridge truss gets its strength from a tube shape. (a) True (b) False
23. 23.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the gap between books (b) the shape of the paper (c) coins it holds
24. 24.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) sheets of paper (d) yeast
25. 25.True or false: a temple dome gets its strength from triangles. (a) True (b) False
26. 26.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) coins (c) a balloon (d) two books
27. 27.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) the same coins (b) more coins (c) only water (d) fewer coins
28. 28.🧺 Do we need turmeric powder for the paper bridge? (a) not needed (b) needed
29. 29.🌉 Which of these makes a strong bridge? (a) a zigzag-folded sheet (b) a flat tissue (c) a wet flat sheet (d) a torn flat sheet
30. 30.True or false: two books is needed for the paper bridge. (a) True (b) False
31. 31.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
32. 32.🏗️ Where does an electric tower get its strength from? (a) triangles (b) arches and domes (c) tubes
33. 33.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it turns to card (b) it floats up (c) it gets stronger (d) it sags and falls
34. 34.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) rolled paper tubes (c) a torn flat sheet (d) a U-shaped channel
35. 35.🌉 Which of these makes a strong bridge? (a) rolled paper tubes (b) a wet flat sheet (c) one flat sheet (d) a flat tissue
36. 36.🔍 Which is the odd one out? (a) paper with folded edges (b) a zigzag-folded sheet (c) one flat sheet (d) rolled paper tubes
37. 37.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) turmeric powder (b) coins (c) sheets of paper (d) a ruler
38. 38.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
39. 39.True or false: a roof frame gets its strength from a tube shape. (a) True (b) False
40. 40.🧺 Which of these is needed for the paper bridge? (a) yeast (b) a mirror (c) sheets of paper (d) a battery cell

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