Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 669 · 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 of these is needed for the paper bridge? (a) a magnet (b) yeast (c) a balloon (d) sheets of paper
2. 2.True or false: a roof frame gets its strength from a tube shape. (a) True (b) False
3. 3.True or false: a zigzag-folded sheet makes a weak bridge. (a) False (b) True
4. 4.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a wet flat sheet (c) paper with folded edges (d) rolled paper tubes
5. 5.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the square (b) the heart shape (c) the triangle (d) the star
6. 6.🌉 Which of these makes a weak bridge? (a) a wet flat sheet (b) a zigzag-folded sheet (c) rolled paper tubes (d) a U-shaped channel
7. 7.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) coins (c) a ruler (d) a mirror
8. 8.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) not at all (b) upward (c) more (d) less
9. 9.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
10. 10.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the gap between books (b) coins it holds (c) the kind of paper (d) the shape of the paper
11. 11.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a wet flat sheet (c) a flat tissue (d) one flat sheet
12. 12.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) paper with folded edges (c) a zigzag-folded sheet (d) one flat sheet
13. 13.True or false: a ruler is not needed for the paper bridge. (a) False (b) True
14. 14.⚖️ 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
15. 15.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is kept the same. (a) False (b) True
16. 16.🏗️ Where does an electric tower get its strength from? (a) triangles (b) tubes (c) arches and domes
17. 17.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) a magnet (d) coins
18. 18.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
19. 19.🧺 Do we need yeast for the paper bridge? (a) needed (b) not needed
20. 20.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) wash your hands (c) rub your eyes (d) skip washing
21. 21.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) yeast (b) sheets of paper (c) coins (d) two books
22. 22.True or false: a torn flat sheet makes a weak bridge. (a) False (b) True
23. 23.True or false: a magnet is not needed for the paper bridge. (a) True (b) False
24. 24.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
25. 25.True or false: a temple dome gets its strength from arches or domes. (a) True (b) False
26. 26.True or false: sheets of paper is not needed for the paper bridge. (a) True (b) False
27. 27.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) False (b) True
28. 28.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is what we measure. (a) True (b) False
29. 29.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) the same coins (c) only water (d) fewer coins
30. 30.True or false: an eggshell gets its strength from a tube shape. (a) False (b) True
31. 31.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) a flat tissue (c) paper with folded edges (d) rolled paper tubes
32. 32.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a ruler (c) turmeric powder (d) coins
33. 33.True or false: a bamboo pole gets its strength from a tube shape. (a) False (b) True
34. 34.⚖️ 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
35. 35.🧺 Which of these is not needed for the paper bridge? (a) coins (b) two books (c) a balloon (d) a ruler
36. 36.True or false: two books is needed for the paper bridge. (a) True (b) False
37. 37.🧺 Do we need a battery cell for the paper bridge? (a) not needed (b) needed
38. 38.🧺 Which of these is not needed for the paper bridge? (a) yeast (b) coins (c) two books (d) sheets of paper
39. 39.⚖️ 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 coins
40. 40.True or false: a roof frame gets its strength from triangles. (a) True (b) False

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