Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 578 · 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.True or false: a flat tissue makes a strong bridge. (a) True (b) False
2. 2.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) wash your hands (c) rub your eyes (d) skip washing
3. 3.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) more (b) the same number of (c) zero (d) fewer
4. 4.🛟 How should the two books be placed for the paper bridge? (a) on a stool edge (b) on top of a pet (c) high and wobbly (d) low and steady
5. 5.⚖️ 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) the gap between books (c) the kind of coins (d) the kind of paper
6. 6.True or false: an old stone bridge gets its strength from arches or domes. (a) True (b) False
7. 7.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a balloon (b) a ruler (c) coins (d) two books
8. 8.True or false: an electric tower gets its strength from triangles. (a) False (b) True
9. 9.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the triangle (b) the heart shape (c) the square (d) the star
10. 10.True or false: paper with folded edges makes a strong bridge. (a) True (b) False
11. 11.True or false: a mirror is not needed for the paper bridge. (a) False (b) True
12. 12.🏗️ Which of these gets its strength from a tube shape? (a) a roof frame (b) a bamboo pole (c) a bridge truss (d) a temple dome
13. 13.🔍 Which is the odd one out? (a) one flat sheet (b) paper with folded edges (c) a U-shaped channel (d) a zigzag-folded sheet
14. 14.🧺 Which of these is not needed for the paper bridge? (a) a mirror (b) sheets of paper (c) coins (d) a ruler
15. 15.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) rolled paper tubes (c) a torn flat sheet (d) a zigzag-folded sheet
16. 16.🧺 Do we need a battery cell for the paper bridge? (a) needed (b) not needed
17. 17.True or false: a temple dome gets its strength from arches or domes. (a) False (b) True
18. 18.True or false: a battery cell is not needed for the paper bridge. (a) False (b) True
19. 19.True or false: a bamboo pole gets its strength from a tube shape. (a) False (b) True
20. 20.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
21. 21.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) a wet flat sheet (c) rolled paper tubes (d) a U-shaped channel
22. 22.True or false: paper with folded edges makes a weak bridge. (a) False (b) True
23. 23.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) weak bridge (b) strong bridge
24. 24.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) paper with folded edges (c) rolled paper tubes (d) a torn flat sheet
25. 25.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
26. 26.🏗️ Where does a bridge truss get its strength from? (a) arches and domes (b) triangles (c) tubes
27. 27.True or false: rolled paper tubes makes a strong bridge. (a) False (b) True
28. 28.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the shape of the paper (b) the kind of paper (c) coins it holds
29. 29.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) a torn flat sheet (c) a U-shaped channel (d) a wet flat sheet
30. 30.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we change it (b) we keep it the same (c) we measure it
31. 31.🏗️ Where does a round pillar get its strength from? (a) triangles (b) tubes (c) arches and domes
32. 32.🔍 Which is the odd one out? (a) a U-shaped channel (b) a flat tissue (c) a torn flat sheet (d) a wet flat sheet
33. 33.⚖️ 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
34. 34.True or false: coins is not needed for the paper bridge. (a) True (b) False
35. 35.🏗️ Where does a roof frame get its strength from? (a) tubes (b) arches and domes (c) triangles
36. 36.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it floats up (b) it sags and falls (c) it turns to card (d) it gets stronger
37. 37.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a mirror (b) sheets of paper (c) two books (d) a ruler
38. 38.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) where coins are placed (b) the kind of paper (c) the shape of the paper (d) coins it holds
39. 39.🧺 Which of these is not needed for the paper bridge? (a) two books (b) a ruler (c) turmeric powder (d) coins
40. 40.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) an old stone bridge (c) an electric tower (d) a hollow bird bone

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