Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 796 · 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 U-shaped channel (b) one flat sheet (c) rolled paper tubes (d) a zigzag-folded sheet
2. 2.🧺 Do we need yeast for the paper bridge? (a) not needed (b) needed
3. 3.🏗️ Where does a round pillar get its strength from? (a) tubes (b) triangles (c) arches and domes
4. 4.True or false: a temple dome gets its strength from a tube shape. (a) True (b) False
5. 5.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) yeast (c) coins (d) two books
6. 6.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) turmeric powder (c) sheets of paper (d) a ruler
7. 7.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds make it stiffer (b) folds add glue (c) folds make it wet (d) folds are magnetic
8. 8.🧺 Which of these is needed for the paper bridge? (a) a ruler (b) turmeric powder (c) yeast (d) a magnet
9. 9.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is kept the same. (a) True (b) False
10. 10.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the kind of coins (b) the shape of the paper (c) the gap between books (d) coins it holds
11. 11.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) turmeric powder (c) yeast (d) two books
12. 12.🌉 Which of these makes a weak bridge? (a) paper with folded edges (b) a zigzag-folded sheet (c) one flat sheet (d) rolled paper tubes
13. 13.True or false: a balloon is needed for the paper bridge. (a) True (b) False
14. 14.True or false: a temple dome gets its strength from arches or domes. (a) False (b) True
15. 15.True or false: a flat tissue makes a strong bridge. (a) False (b) True
16. 16.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) rolled paper tubes (b) a U-shaped channel (c) a zigzag-folded sheet (d) a flat tissue
18. 18.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) rolled paper tubes (c) a wet flat sheet (d) a torn flat sheet
19. 19.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) coins (c) a magnet (d) sheets of paper
20. 20.True or false: a battery cell is needed for the paper bridge. (a) True (b) False
21. 21.🧺 Which of these is needed for the paper bridge? (a) a mirror (b) a battery cell (c) a magnet (d) sheets of paper
22. 22.True or false: a mirror is needed for the paper bridge. (a) True (b) False
23. 23.🌉 Which of these makes a weak bridge? (a) paper with folded edges (b) a torn flat sheet (c) a U-shaped channel (d) a zigzag-folded sheet
24. 24.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
25. 25.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) zero (c) the same number of (d) more
26. 26.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
27. 27.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it floats up (b) it turns to card (c) it sags and falls (d) it gets stronger
28. 28.True or false: a bridge truss gets its strength from arches or domes. (a) True (b) False
29. 29.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) on top of a pet (c) on a stool edge (d) low and steady
30. 30.🧺 Do we need a battery cell for the paper bridge? (a) needed (b) not needed
31. 31.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) False (b) True
32. 32.True or false: a torn flat sheet makes a strong bridge. (a) True (b) False
33. 33.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
34. 34.True or false: two books is not needed for the paper bridge. (a) False (b) True
35. 35.True or false: coins is needed for the paper bridge. (a) True (b) False
36. 36.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) skip washing (c) rub your eyes (d) wash your hands
37. 37.True or false: a balloon is not needed for the paper bridge. (a) True (b) False
38. 38.🔺 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
39. 39.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the gap between books (b) coins it holds (c) the kind of paper (d) the shape of the paper
40. 40.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we measure it (b) we change it (c) we keep it the same

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