Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 369 · 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.🛟 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
2. 2.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) coins it holds (b) the kind of paper (c) the shape of the paper
3. 3.🏗️ 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 bridge truss
4. 4.🧺 Do we need a balloon for the paper bridge? (a) not needed (b) needed
5. 5.🏗️ Where does a bridge truss get its strength from? (a) arches and domes (b) triangles (c) tubes
6. 6.⚖️ 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
7. 7.True or false: an old stone bridge gets its strength from arches or domes. (a) False (b) True
8. 8.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) where coins are placed (b) coins it holds (c) the shape of the paper
9. 9.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the kind of coins (b) the shape of the paper (c) coins it holds
10. 10.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) True (b) False
11. 11.🏗️ Where does a roof frame get its strength from? (a) tubes (b) triangles (c) arches and domes
12. 12.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the heart shape (b) the star (c) the triangle (d) the square
13. 13.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the kind of coins (b) the shape of the paper (c) the kind of paper (d) coins it holds
14. 14.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
15. 15.🧺 Which of these is needed for the paper bridge? (a) a ruler (b) a balloon (c) a magnet (d) turmeric powder
16. 16.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a magnet (c) sheets of paper (d) two books
17. 17.🔍 Which is the odd one out? (a) a torn flat sheet (b) a U-shaped channel (c) one flat sheet (d) a wet flat sheet
18. 18.🛟 How should the two books be placed for the paper bridge? (a) low and steady (b) on a stool edge (c) on top of a pet (d) high and wobbly
19. 19.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a balloon (b) a ruler (c) coins (d) two books
20. 20.🏗️ Which of these gets its strength from arches or domes? (a) a bamboo pole (b) a bridge truss (c) a roof frame (d) an eggshell
21. 21.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) sheets of paper (c) yeast (d) coins
22. 22.True or false: turmeric powder is needed for the paper bridge. (a) True (b) False
23. 23.True or false: a U-shaped channel makes a weak bridge. (a) False (b) True
24. 24.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) fewer coins (b) only water (c) the same coins (d) more coins
25. 25.🧺 Do we need turmeric powder for the paper bridge? (a) not needed (b) needed
26. 26.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) coins (c) turmeric powder (d) sheets of paper
27. 27.True or false: a battery cell is not needed for the paper bridge. (a) True (b) False
28. 28.⚖️ 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
29. 29.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a flat tissue (c) rolled paper tubes (d) a torn flat sheet
30. 30.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) sheets of paper (c) coins (d) a battery cell
31. 31.True or false: sheets of paper is not needed for the paper bridge. (a) False (b) True
32. 32.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we change it (b) we measure it (c) we keep it the same
33. 33.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is made of steel (b) it is very hot (c) it is magnetic (d) its curved arch shape
34. 34.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is what we measure. (a) True (b) False
35. 35.True or false: a magnet is needed for the paper bridge. (a) False (b) True
36. 36.True or false: paper with folded edges makes a strong bridge. (a) False (b) True
37. 37.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a flat tissue (c) a zigzag-folded sheet (d) a torn flat sheet
38. 38.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is kept the same. (a) False (b) True
39. 39.🏗️ Which of these gets its strength from a tube shape? (a) an old stone bridge (b) a bridge truss (c) an electric tower (d) a bamboo pole
40. 40.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we keep it the same (b) we change it (c) we measure it

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