Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 315 · 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: an eggshell gets its strength from a tube shape. (a) True (b) False
2. 2.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) two books (c) a magnet (d) coins
3. 3.True or false: a flat tissue makes a weak bridge. (a) True (b) False
4. 4.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
5. 5.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is made of steel (b) its curved arch shape (c) it is very hot (d) it is magnetic
6. 6.True or false: one flat sheet makes a strong bridge. (a) False (b) True
7. 7.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) yeast (c) turmeric powder (d) a ruler
8. 8.True or false: a flat tissue makes a strong bridge. (a) False (b) True
9. 9.True or false: a ruler is needed for the paper bridge. (a) True (b) False
10. 10.🏗️ Which of these gets its strength from a tube shape? (a) a round pillar (b) an old stone bridge (c) a bridge truss (d) an electric tower
11. 11.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a wet flat sheet (c) one flat sheet (d) a torn flat sheet
12. 12.🧺 Do we need two books for the paper bridge? (a) not needed (b) needed
13. 13.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) more (b) zero (c) fewer (d) the same number of
14. 14.🌉 Which of these makes a weak bridge? (a) a wet flat sheet (b) a U-shaped channel (c) a zigzag-folded sheet (d) paper with folded edges
15. 15.⚖️ 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
16. 16.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
17. 17.🏗️ Which of these gets its strength from a tube shape? (a) a roof frame (b) a temple dome (c) a hollow bird bone (d) an electric tower
18. 18.🏗️ Where does a bamboo pole get its strength from? (a) tubes (b) arches and domes (c) triangles
19. 19.True or false: a roof frame gets its strength from arches or domes. (a) True (b) False
20. 20.True or false: a temple dome gets its strength from triangles. (a) True (b) False
21. 21.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) where coins are placed (b) the shape of the paper (c) coins it holds
22. 22.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) two books (c) a mirror (d) a ruler
23. 23.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we change it (b) we measure it (c) we keep it the same
24. 24.True or false: a bridge truss gets its strength from triangles. (a) False (b) True
25. 25.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) a U-shaped channel (c) paper with folded edges (d) one flat sheet
26. 26.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) True (b) False
27. 27.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) sheets of paper (c) a magnet (d) a ruler
28. 28.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a flat tissue (c) paper with folded edges (d) a wet flat sheet
29. 29.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is what we measure. (a) False (b) True
30. 30.⚖️ 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
31. 31.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) a wet flat sheet (c) one flat sheet (d) a zigzag-folded sheet
32. 32.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) skip washing (c) wash your hands (d) lick your fingers
33. 33.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a ruler (c) sheets of paper (d) a balloon
34. 34.True or false: sheets of paper is needed for the paper bridge. (a) False (b) True
35. 35.🏗️ Where does an old stone bridge get its strength from? (a) tubes (b) triangles (c) arches and domes
36. 36.🧺 Which of these is not needed for the paper bridge? (a) two books (b) a ruler (c) sheets of paper (d) a balloon
37. 37.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is the one thing we change. (a) True (b) False
38. 38.True or false: an electric tower gets its strength from arches or domes. (a) True (b) False
39. 39.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) yeast (c) coins (d) a mirror
40. 40.🔍 Which is the odd one out? (a) a torn flat sheet (b) one flat sheet (c) paper with folded edges (d) a wet flat sheet

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