Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 530 · 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: sheets of paper is not needed for the paper bridge. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) a U-shaped channel (b) a flat tissue (c) one flat sheet (d) a wet flat sheet
3. 3.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
4. 4.⚖️ 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
5. 5.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) more (c) the same number of (d) fewer
6. 6.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) coins it holds (b) the shape of the paper (c) the kind of coins
7. 7.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds make it wet (c) folds make it stiffer (d) folds are magnetic
8. 8.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a ruler (c) coins (d) yeast
9. 9.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
10. 10.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) lick your fingers (c) skip washing (d) wash your hands
11. 11.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) on a stool edge (c) on top of a pet (d) low and steady
12. 12.True or false: a balloon is needed for the paper bridge. (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) one flat sheet (b) a torn flat sheet (c) a wet flat sheet (d) rolled paper tubes
14. 14.🧺 Which of these is not needed for the paper bridge? (a) a mirror (b) sheets of paper (c) a ruler (d) two books
15. 15.🧺 Which of these is needed for the paper bridge? (a) yeast (b) a mirror (c) sheets of paper (d) a magnet
16. 16.True or false: a mirror is needed for the paper bridge. (a) True (b) False
17. 17.True or false: a roof frame gets its strength from triangles. (a) False (b) True
18. 18.🌉 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
19. 19.🌉 Does paper with folded edges make a strong or a weak bridge? (a) strong bridge (b) weak bridge
20. 20.True or false: an electric tower gets its strength from arches or domes. (a) False (b) True
21. 21.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) a zigzag-folded sheet (c) a wet flat sheet (d) a U-shaped channel
22. 22.True or false: coins is needed for the paper bridge. (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) a U-shaped channel (b) a torn flat sheet (c) rolled paper tubes (d) a zigzag-folded sheet
24. 24.🏗️ Which of these gets its strength from arches or domes? (a) a bridge truss (b) a round pillar (c) a hollow bird bone (d) an old stone bridge
25. 25.🥚 Why is an egg hard to crush when you press on its two ends? (a) its curved arch shape (b) it is very hot (c) it is made of steel (d) it is magnetic
26. 26.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) coins (c) two books (d) a battery cell
27. 27.⚖️ 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
28. 28.🌉 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
29. 29.True or false: turmeric powder is not needed for the paper bridge. (a) True (b) False
30. 30.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
31. 31.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) a zigzag-folded sheet (c) a flat tissue (d) one flat sheet
32. 32.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
33. 33.🔍 Which is the odd one out? (a) a U-shaped channel (b) paper with folded edges (c) a wet flat sheet (d) rolled paper tubes
34. 34.🏗️ Which of these gets its strength from triangles? (a) a hollow bird bone (b) a bamboo pole (c) a bridge truss (d) an eggshell
35. 35.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
36. 36.🏗️ Which of these gets its strength from arches or domes? (a) a temple dome (b) a round pillar (c) a bamboo pole (d) a hollow bird bone
37. 37.⚖️ 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
38. 38.⚖️ 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
39. 39.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a magnet (b) sheets of paper (c) coins (d) two books
40. 40.🔍 Which is the odd one out? (a) paper with folded edges (b) a torn flat sheet (c) a wet flat sheet (d) one flat sheet

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