Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 322 · 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: coins is not needed for the paper bridge. (a) False (b) True
2. 2.True or false: an eggshell gets its strength from arches or domes. (a) False (b) True
3. 3.True or false: turmeric powder is needed for the paper bridge. (a) True (b) False
4. 4.🌉 Which of these makes a strong bridge? (a) a zigzag-folded sheet (b) a flat tissue (c) one flat sheet (d) a torn flat sheet
5. 5.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we measure it (b) we keep it the same (c) we change it
6. 6.🧺 Do we need turmeric powder for the paper bridge? (a) not needed (b) needed
7. 7.True or false: a round pillar gets its strength from arches or domes. (a) True (b) False
8. 8.🧺 Which of these is not needed for the paper bridge? (a) two books (b) sheets of paper (c) a ruler (d) turmeric powder
9. 9.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) two books (c) a mirror (d) turmeric powder
10. 10.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) rolled paper tubes (c) a torn flat sheet (d) one flat sheet
11. 11.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
12. 12.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we keep it the same (b) we change it (c) we measure it
13. 13.🏗️ Which of these gets its strength from triangles? (a) a bamboo pole (b) a round pillar (c) a hollow bird bone (d) a roof frame
14. 14.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the kind of paper (b) the gap between books (c) the shape of the paper (d) coins it holds
15. 15.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) more (c) not at all (d) upward
16. 16.🧺 Do we need two books for the paper bridge? (a) not needed (b) needed
17. 17.True or false: coins is needed for the paper bridge. (a) True (b) False
18. 18.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we measure it (b) we change it (c) we keep it the same
19. 19.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it sags and falls (b) it floats up (c) it turns to card (d) it gets stronger
20. 20.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) yeast (c) two books (d) sheets of paper
21. 21.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a mirror (b) a ruler (c) sheets of paper (d) two books
22. 22.🔍 Which is the odd one out? (a) a torn flat sheet (b) a wet flat sheet (c) one flat sheet (d) paper with folded edges
23. 23.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) zero (c) more (d) the same number of
24. 24.🏗️ Where does an old stone bridge get its strength from? (a) triangles (b) tubes (c) arches and domes
25. 25.True or false: a roof frame gets its strength from a tube shape. (a) False (b) True
26. 26.True or false: a magnet is needed for the paper bridge. (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) sheets of paper (b) yeast (c) a balloon (d) a battery cell
29. 29.🌉 Does one flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
30. 30.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a battery cell (c) a ruler (d) sheets of paper
31. 31.⚖️ 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) the kind of paper
32. 32.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) skip washing (c) wash your hands (d) rub your eyes
33. 33.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we measure it (b) we change it (c) we keep it the same
34. 34.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) only water (c) fewer coins (d) the same coins
35. 35.True or false: yeast is needed for the paper bridge. (a) False (b) True
36. 36.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) a zigzag-folded sheet (c) paper with folded edges (d) one flat sheet
37. 37.🏗️ Where does a bamboo pole get its strength from? (a) arches and domes (b) triangles (c) tubes
38. 38.True or false: a bridge truss gets its strength from triangles. (a) True (b) False
39. 39.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we measure it (b) we keep it the same (c) we change it
40. 40.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is the one thing we change. (a) True (b) False

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