Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 891 · 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 temple dome gets its strength from a tube shape. (a) False (b) True
2. 2.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the square (b) the star (c) the heart shape (d) the triangle
3. 3.⚖️ 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
4. 4.🏗️ Which of these gets its strength from triangles? (a) a hollow bird bone (b) a bridge truss (c) a temple dome (d) an old stone bridge
5. 5.⚖️ 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
6. 6.🏗️ Which of these gets its strength from triangles? (a) an eggshell (b) a bamboo pole (c) an electric tower (d) an old stone bridge
7. 7.True or false: one flat sheet makes a strong bridge. (a) False (b) True
8. 8.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) a ruler (c) turmeric powder (d) a magnet
9. 9.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) coins (c) a magnet (d) two books
10. 10.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) strong bridge (b) weak bridge
11. 11.True or false: coins is needed for the paper bridge. (a) False (b) True
12. 12.True or false: a roof frame gets its strength from triangles. (a) False (b) True
13. 13.True or false: an old stone bridge gets its strength from a tube shape. (a) False (b) True
14. 14.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) coins it holds (b) where coins are placed (c) the shape of the paper (d) the kind of coins
15. 15.🔍 Which is the odd one out? (a) a U-shaped channel (b) a wet flat sheet (c) paper with folded edges (d) a zigzag-folded sheet
16. 16.⚖️ 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
17. 17.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) not at all (c) upward (d) more
18. 18.🏗️ Where does a temple dome get its strength from? (a) arches and domes (b) triangles (c) tubes
19. 19.🏗️ Where does a hollow bird bone get its strength from? (a) triangles (b) tubes (c) arches and domes
20. 20.True or false: coins is not needed for the paper bridge. (a) False (b) True
21. 21.🧺 Which of these is needed for the paper bridge? (a) coins (b) a mirror (c) a battery cell (d) yeast
22. 22.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) skip washing (b) rub your eyes (c) wash your hands (d) lick your fingers
23. 23.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) coins (c) a mirror (d) sheets of paper
24. 24.🌉 Which of these makes a weak bridge? (a) one flat sheet (b) a zigzag-folded sheet (c) paper with folded edges (d) rolled paper tubes
25. 25.🏗️ Where does a roof frame get its strength from? (a) tubes (b) arches and domes (c) triangles
26. 26.🏗️ Where does an electric tower get its strength from? (a) arches and domes (b) triangles (c) tubes
27. 27.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a battery cell (b) sheets of paper (c) coins (d) two books
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.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it floats up (b) it gets stronger (c) it turns to card (d) it sags and falls
30. 30.⚖️ 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) the gap between books (d) coins it holds
31. 31.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is what we measure. (a) True (b) False
32. 32.True or false: a U-shaped channel makes a weak bridge. (a) True (b) False
33. 33.True or false: turmeric powder is needed for the paper bridge. (a) False (b) True
34. 34.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we change it (b) we measure it (c) we keep it the same
35. 35.🧺 Do we need sheets of paper for the paper bridge? (a) needed (b) not needed
36. 36.⚖️ 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
37. 37.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we change it (b) we keep it the same (c) we measure it
38. 38.True or false: a battery cell is not needed for the paper bridge. (a) False (b) True
39. 39.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) yeast (c) sheets of paper (d) a balloon
40. 40.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed

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