Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 741 · 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.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) rub your eyes (c) skip washing (d) wash your hands
2. 2.🏗️ Which of these gets its strength from arches or domes? (a) an old stone bridge (b) a round pillar (c) a roof frame (d) an electric tower
3. 3.True or false: one flat sheet makes a weak bridge. (a) True (b) False
4. 4.True or false: a roof frame gets its strength from a tube shape. (a) False (b) True
5. 5.🏗️ Which of these gets its strength from a tube shape? (a) a bridge truss (b) an electric tower (c) a bamboo pole (d) an eggshell
6. 6.⚖️ 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) where coins are placed (d) the kind of paper
7. 7.🏗️ Which of these gets its strength from a tube shape? (a) a hollow bird bone (b) a temple dome (c) an old stone bridge (d) a roof frame
8. 8.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) fewer coins (c) only water (d) the same coins
9. 9.🏗️ Where does a bamboo pole get its strength from? (a) triangles (b) tubes (c) arches and domes
10. 10.True or false: turmeric powder is needed for the paper bridge. (a) True (b) False
11. 11.True or false: a flat tissue makes a weak bridge. (a) False (b) True
12. 12.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
13. 13.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
14. 14.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) a mirror (c) two books (d) sheets of paper
15. 15.🏗️ Where does a hollow bird bone get its strength from? (a) tubes (b) arches and domes (c) triangles
16. 16.🌉 Does one flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
17. 17.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) yeast (c) a mirror (d) coins
18. 18.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) one flat sheet (c) a U-shaped channel (d) a flat tissue
19. 19.🧺 Which of these is needed for the paper bridge? (a) two books (b) a magnet (c) a mirror (d) turmeric powder
20. 20.🏗️ Where does an eggshell get its strength from? (a) triangles (b) tubes (c) arches and domes
21. 21.🔍 Which is the odd one out? (a) a U-shaped channel (b) paper with folded edges (c) rolled paper tubes (d) a torn flat sheet
22. 22.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) where coins are placed (b) coins it holds (c) the shape of the paper
23. 23.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
24. 24.🧺 Do we need sheets of paper for the paper bridge? (a) needed (b) not needed
25. 25.🏗️ Which of these gets its strength from arches or domes? (a) a bamboo pole (b) a temple dome (c) a hollow bird bone (d) a bridge truss
26. 26.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we keep it the same (b) we measure it (c) we change it
27. 27.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we change it (b) we keep it the same (c) we measure it
28. 28.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the shape of the paper (b) coins it holds (c) the gap between books (d) the kind of coins
29. 29.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) rolled paper tubes (c) a flat tissue (d) paper with folded edges
30. 30.🔍 Which is the odd one out? (a) a flat tissue (b) one flat sheet (c) a wet flat sheet (d) a U-shaped channel
31. 31.True or false: an old stone bridge gets its strength from a tube shape. (a) True (b) False
32. 32.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is what we measure. (a) False (b) True
33. 33.🛟 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
34. 34.🌉 Does a flat tissue make a strong or a weak bridge? (a) strong bridge (b) weak bridge
35. 35.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we change it (b) we measure it (c) we keep it the same
36. 36.True or false: an electric tower gets its strength from arches or domes. (a) True (b) False
37. 37.🌉 Which of these makes a strong bridge? (a) paper with folded edges (b) one flat sheet (c) a torn flat sheet (d) a wet flat sheet
38. 38.⚖️ 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
39. 39.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a wet flat sheet (c) rolled paper tubes (d) paper with folded edges
40. 40.🏗️ Where does an old stone bridge get its strength from? (a) arches and domes (b) triangles (c) tubes

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