Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 605 · 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: rolled paper tubes makes a strong bridge. (a) True (b) False
2. 2.⚖️ 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
3. 3.🌉 Which of these makes a strong bridge? (a) a zigzag-folded sheet (b) a wet flat sheet (c) a torn flat sheet (d) a flat tissue
4. 4.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) skip washing (b) wash your hands (c) lick your fingers (d) rub your eyes
5. 5.🏗️ Where does a bamboo pole get its strength from? (a) triangles (b) tubes (c) arches and domes
6. 6.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) sheets of paper (c) a balloon (d) yeast
7. 7.True or false: a bridge truss gets its strength from a tube shape. (a) False (b) True
8. 8.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) False (b) True
9. 9.🧺 Which of these is not needed for the paper bridge? (a) two books (b) a mirror (c) a ruler (d) sheets of paper
10. 10.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it turns to card (b) it gets stronger (c) it sags and falls (d) it floats up
11. 11.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the shape of the paper (b) coins it holds (c) where coins are placed
12. 12.🧺 Do we need two books for the paper bridge? (a) not needed (b) needed
13. 13.🏗️ Where does an eggshell get its strength from? (a) tubes (b) arches and domes (c) triangles
14. 14.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) yeast (c) a mirror (d) a ruler
15. 15.True or false: an eggshell gets its strength from arches or domes. (a) False (b) True
16. 16.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) a ruler (c) a battery cell (d) coins
17. 17.True or false: coins is not needed for the paper bridge. (a) False (b) True
18. 18.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) yeast (d) sheets of paper
19. 19.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the kind of coins (b) coins it holds (c) the shape of the paper
20. 20.True or false: a roof frame gets its strength from arches or domes. (a) False (b) True
21. 21.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) fewer coins (b) the same coins (c) only water (d) more coins
22. 22.True or false: sheets of paper is not needed for the paper bridge. (a) True (b) False
23. 23.True or false: a zigzag-folded sheet makes a strong bridge. (a) False (b) True
24. 24.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds are magnetic (b) folds make it stiffer (c) folds add glue (d) folds make it wet
25. 25.🏗️ Where does a round pillar get its strength from? (a) triangles (b) tubes (c) arches and domes
26. 26.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is what we measure. (a) True (b) False
27. 27.🧺 Do we need a battery cell for the paper bridge? (a) needed (b) not needed
28. 28.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) turmeric powder (c) coins (d) a battery cell
29. 29.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) fewer (c) more (d) zero
30. 30.🏗️ Which of these gets its strength from triangles? (a) a bamboo pole (b) an old stone bridge (c) a bridge truss (d) a hollow bird bone
31. 31.🏗️ Which of these gets its strength from triangles? (a) a bamboo pole (b) an eggshell (c) a roof frame (d) a round pillar
32. 32.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we measure it (b) we change it (c) we keep it the same
33. 33.True or false: an eggshell gets its strength from a tube shape. (a) False (b) True
34. 34.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) two books (c) a mirror (d) coins
35. 35.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is magnetic (b) its curved arch shape (c) it is made of steel (d) it is very hot
36. 36.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we change it (b) we measure it (c) we keep it the same
37. 37.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a magnet (c) two books (d) a ruler
38. 38.🌉 Does paper with folded edges make a strong or a weak bridge? (a) strong bridge (b) weak bridge
39. 39.🔍 Which is the odd one out? (a) paper with folded edges (b) a zigzag-folded sheet (c) one flat sheet (d) rolled paper tubes
40. 40.🏗️ Where does an electric tower get its strength from? (a) tubes (b) triangles (c) arches and domes

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