Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 937 · 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: a hollow bird bone gets its strength from a tube shape. (a) False (b) True
2. 2.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) wash your hands (b) rub your eyes (c) lick your fingers (d) skip washing
3. 3.True or false: a torn flat sheet makes a weak bridge. (a) True (b) False
4. 4.True or false: a U-shaped channel makes a strong bridge. (a) False (b) True
5. 5.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is the one thing we change. (a) False (b) True
6. 6.🌉 Which of these makes a weak bridge? (a) paper with folded edges (b) one flat sheet (c) rolled paper tubes (d) a zigzag-folded sheet
7. 7.🏗️ Which of these gets its strength from arches or domes? (a) an old stone bridge (b) a roof frame (c) an electric tower (d) a hollow bird bone
8. 8.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds are magnetic (b) folds add glue (c) folds make it wet (d) folds make it stiffer
9. 9.🔍 Which is the odd one out? (a) a U-shaped channel (b) paper with folded edges (c) a zigzag-folded sheet (d) a flat tissue
10. 10.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the heart shape (b) the triangle (c) the star (d) the square
11. 11.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
12. 12.⚖️ 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 shape of the paper (c) the kind of coins (d) the gap between books
13. 13.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the kind of paper (b) the shape of the paper (c) coins it holds
14. 14.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a mirror (c) a ruler (d) two books
15. 15.🧺 Which of these is needed for the paper bridge? (a) yeast (b) a ruler (c) turmeric powder (d) a magnet
16. 16.True or false: a torn flat sheet makes a strong bridge. (a) False (b) True
17. 17.True or false: yeast is needed for the paper bridge. (a) False (b) True
18. 18.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) upward (c) not at all (d) more
19. 19.⚖️ 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 gap between books
20. 20.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) a battery cell (d) two books
21. 21.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
22. 22.True or false: a temple dome gets its strength from a tube shape. (a) True (b) False
23. 23.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
24. 24.🔍 Which is the odd one out? (a) rolled paper tubes (b) a zigzag-folded sheet (c) a torn flat sheet (d) paper with folded edges
25. 25.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is what we measure. (a) False (b) True
26. 26.⚖️ 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
27. 27.⚖️ 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
28. 28.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
29. 29.🏗️ Which of these gets its strength from arches or domes? (a) a round pillar (b) a hollow bird bone (c) a roof frame (d) a temple dome
30. 30.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is very hot (b) its curved arch shape (c) it is made of steel (d) it is magnetic
31. 31.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) on a stool edge (c) low and steady (d) high and wobbly
32. 32.True or false: turmeric powder is not needed for the paper bridge. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) a flat tissue (b) a torn flat sheet (c) one flat sheet (d) a zigzag-folded sheet
34. 34.🌉 Which of these makes a weak bridge? (a) a flat tissue (b) paper with folded edges (c) a zigzag-folded sheet (d) a U-shaped channel
35. 35.True or false: a mirror is needed for the paper bridge. (a) False (b) True
36. 36.🧺 Which of these is needed for the paper bridge? (a) a mirror (b) yeast (c) two books (d) turmeric powder
37. 37.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) turmeric powder (c) sheets of paper (d) yeast
38. 38.True or false: a round pillar gets its strength from arches or domes. (a) True (b) False
39. 39.🏗️ Which of these gets its strength from arches or domes? (a) a bamboo pole (b) a roof frame (c) an eggshell (d) a round pillar
40. 40.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) a balloon (c) turmeric powder (d) coins

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