Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 457 · 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.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a U-shaped channel (c) a flat tissue (d) paper with folded edges
2. 2.🏗️ Which of these gets its strength from triangles? (a) a bamboo pole (b) an eggshell (c) a hollow bird bone (d) a bridge truss
3. 3.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) True (b) False
4. 4.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) paper with folded edges (c) a zigzag-folded sheet (d) one flat sheet
5. 5.🌉 Does one flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
6. 6.⚖️ 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
7. 7.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) the same coins (c) fewer coins (d) more coins
8. 8.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) coins it holds (b) the kind of coins (c) the kind of paper (d) the shape of the paper
9. 9.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) yeast (b) a ruler (c) coins (d) sheets of paper
10. 10.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
11. 11.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) weak bridge (b) strong bridge
12. 12.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) rub your eyes (c) wash your hands (d) skip washing
13. 13.⚖️ 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
14. 14.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
15. 15.🏗️ Where does an eggshell get its strength from? (a) arches and domes (b) tubes (c) triangles
16. 16.🏗️ Where does an electric tower get its strength from? (a) arches and domes (b) tubes (c) triangles
17. 17.🔮 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
18. 18.True or false: a ruler is not needed for the paper bridge. (a) False (b) True
19. 19.True or false: a round pillar gets its strength from a tube shape. (a) True (b) False
20. 20.⚖️ 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 keep it the same (c) we change it
21. 21.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is the one thing we change. (a) False (b) True
22. 22.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) False (b) True
23. 23.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) coins (c) sheets of paper (d) turmeric powder
24. 24.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
25. 25.🏗️ Which of these gets its strength from triangles? (a) a round pillar (b) an electric tower (c) a hollow bird bone (d) a bamboo pole
26. 26.🔍 Which is the odd one out? (a) paper with folded edges (b) a torn flat sheet (c) a U-shaped channel (d) a zigzag-folded sheet
27. 27.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) a battery cell (c) yeast (d) a ruler
28. 28.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a mirror (b) a ruler (c) coins (d) two books
29. 29.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) two books (c) sheets of paper (d) a magnet
30. 30.True or false: a magnet is needed for the paper bridge. (a) False (b) True
31. 31.🧺 Which of these is needed for the paper bridge? (a) yeast (b) turmeric powder (c) a mirror (d) two books
32. 32.🌉 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
33. 33.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) two books (c) coins (d) a balloon
34. 34.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) more (b) zero (c) fewer (d) the same number of
35. 35.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we keep it the same (b) we measure it (c) we change it
36. 36.🔍 Which is the odd one out? (a) a torn flat sheet (b) paper with folded edges (c) a flat tissue (d) one flat sheet
37. 37.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a magnet (c) a ruler (d) coins
38. 38.🔍 Which is the odd one out? (a) paper with folded edges (b) rolled paper tubes (c) one flat sheet (d) a U-shaped channel
39. 39.🔍 Which is the odd one out? (a) rolled paper tubes (b) paper with folded edges (c) a U-shaped channel (d) a wet flat sheet
40. 40.🧺 Do we need a battery cell for the paper bridge? (a) not needed (b) needed

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