Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 498 · 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) skip washing (b) wash your hands (c) rub your eyes (d) lick your fingers
2. 2.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
3. 3.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a magnet (c) sheets of paper (d) a ruler
4. 4.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) coins it holds (b) where coins are placed (c) the kind of paper (d) the shape of the paper
5. 5.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) yeast (c) sheets of paper (d) coins
6. 6.🏗️ Where does a bamboo pole get its strength from? (a) triangles (b) tubes (c) arches and domes
7. 7.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) coins (c) turmeric powder (d) a ruler
8. 8.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) high and wobbly (c) on a stool edge (d) low and steady
9. 9.True or false: yeast is needed for the paper bridge. (a) False (b) True
10. 10.🏗️ Which of these gets its strength from a tube shape? (a) a round pillar (b) a roof frame (c) an electric tower (d) an old stone bridge
11. 11.True or false: an electric tower gets its strength from triangles. (a) False (b) True
12. 12.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is the one thing we change. (a) True (b) False
13. 13.🏗️ Where does an old stone bridge get its strength from? (a) triangles (b) arches and domes (c) tubes
14. 14.🏗️ Which of these gets its strength from triangles? (a) a bridge truss (b) a round pillar (c) a hollow bird bone (d) a bamboo pole
15. 15.🧺 Do we need a ruler for the paper bridge? (a) needed (b) not needed
16. 16.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is kept the same. (a) False (b) True
17. 17.True or false: coins is needed for the paper bridge. (a) True (b) False
18. 18.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) more (c) the same number of (d) fewer
19. 19.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we measure it (b) we keep it the same (c) we change it
20. 20.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) sheets of paper (c) a mirror (d) two books
21. 21.🔍 Which is the odd one out? (a) a wet flat sheet (b) a torn flat sheet (c) one flat sheet (d) a U-shaped channel
22. 22.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) coins (c) a mirror (d) turmeric powder
23. 23.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) not at all (b) less (c) upward (d) more
24. 24.🌉 Which of these makes a weak bridge? (a) a torn flat sheet (b) a zigzag-folded sheet (c) paper with folded edges (d) rolled paper tubes
25. 25.🔍 Which is the odd one out? (a) rolled paper tubes (b) a U-shaped channel (c) a torn flat sheet (d) a zigzag-folded sheet
26. 26.True or false: paper with folded edges makes a weak bridge. (a) False (b) True
27. 27.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a torn flat sheet (c) a wet flat sheet (d) a zigzag-folded sheet
28. 28.True or false: one flat sheet makes a weak bridge. (a) False (b) True
29. 29.True or false: a flat tissue makes a strong bridge. (a) True (b) False
30. 30.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a ruler (c) two books (d) a balloon
31. 31.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
32. 32.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) coins it holds (b) the gap between books (c) the shape of the paper
33. 33.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) rolled paper tubes (c) a wet flat sheet (d) one flat sheet
34. 34.True or false: a zigzag-folded sheet makes a weak bridge. (a) False (b) True
35. 35.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
36. 36.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we change it (b) we keep it the same (c) we measure it
37. 37.True or false: a wet flat sheet makes a strong bridge. (a) False (b) True
38. 38.True or false: an eggshell gets its strength from a tube shape. (a) True (b) False
39. 39.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) a torn flat sheet (c) one flat sheet (d) a U-shaped channel
40. 40.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) paper with folded edges (c) a wet flat sheet (d) one flat sheet

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