Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 754 · 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.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
2. 2.True or false: an electric tower gets its strength from a tube shape. (a) False (b) True
3. 3.True or false: an old stone bridge gets its strength from arches or domes. (a) True (b) False
4. 4.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the heart shape (b) the square (c) the star (d) the triangle
5. 5.🏗️ Where does a roof frame get its strength from? (a) triangles (b) arches and domes (c) tubes
6. 6.⚖️ 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
7. 7.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) more coins (c) the same coins (d) fewer coins
8. 8.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
9. 9.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) a battery cell (d) sheets of paper
10. 10.True or false: an electric tower gets its strength from triangles. (a) True (b) False
11. 11.True or false: a roof frame gets its strength from arches or domes. (a) False (b) True
12. 12.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the gap between books (b) the shape of the paper (c) coins it holds
13. 13.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) True (b) False
14. 14.True or false: a magnet is not needed for the paper bridge. (a) False (b) True
15. 15.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
16. 16.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) False (b) True
17. 17.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a ruler (c) a magnet (d) two books
18. 18.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the shape of the paper (b) the kind of paper (c) coins it holds (d) the kind of coins
19. 19.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the shape of the paper (b) coins it holds (c) where coins are placed (d) the gap between books
20. 20.🔮 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
21. 21.True or false: coins is needed for the paper bridge. (a) True (b) False
22. 22.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
23. 23.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
24. 24.🏗️ Where does an eggshell get its strength from? (a) tubes (b) triangles (c) arches and domes
25. 25.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we measure it (b) we change it (c) we keep it the same
26. 26.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a wet flat sheet (c) rolled paper tubes (d) a torn flat sheet
27. 27.True or false: paper with folded edges makes a strong bridge. (a) True (b) False
28. 28.🏗️ Where does a round pillar get its strength from? (a) triangles (b) arches and domes (c) tubes
29. 29.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we measure it (b) we change it (c) we keep it the same
30. 30.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we change it (b) we keep it the same (c) we measure it
31. 31.True or false: a mirror is not needed for the paper bridge. (a) True (b) False
32. 32.🌉 Does a flat tissue make a strong or a weak bridge? (a) strong bridge (b) weak bridge
33. 33.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we keep it the same (b) we change it (c) we measure it
34. 34.🧺 Do we need a battery cell for the paper bridge? (a) needed (b) not needed
35. 35.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
36. 36.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) skip washing (c) rub your eyes (d) wash your hands
37. 37.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is the one thing we change. (a) True (b) False
38. 38.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) a mirror (c) yeast (d) a ruler
39. 39.🧺 Which of these is not needed for the paper bridge? (a) a magnet (b) sheets of paper (c) two books (d) coins
40. 40.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is the one thing we change. (a) True (b) False

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