Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 204 · 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) rub your eyes (b) lick your fingers (c) skip washing (d) wash your hands
2. 2.🧺 Which of these is not needed for the paper bridge? (a) coins (b) sheets of paper (c) turmeric powder (d) two books
3. 3.🔍 Which is the odd one out? (a) a wet flat sheet (b) a U-shaped channel (c) a flat tissue (d) a torn flat sheet
4. 4.🧺 Which of these is not needed for the paper bridge? (a) coins (b) sheets of paper (c) a ruler (d) yeast
5. 5.⚖️ 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
6. 6.True or false: a flat tissue makes a weak bridge. (a) True (b) False
7. 7.🏗️ Where does a hollow bird bone get its strength from? (a) arches and domes (b) triangles (c) tubes
8. 8.🌉 Does one flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
9. 9.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) one flat sheet (c) a flat tissue (d) a U-shaped channel
10. 10.True or false: rolled paper tubes makes a weak bridge. (a) True (b) False
11. 11.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) an old stone bridge (c) a bridge truss (d) a hollow bird bone
12. 12.🥚 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) its curved arch shape (d) it is magnetic
13. 13.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) turmeric powder (c) coins (d) a balloon
14. 14.🧺 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
15. 15.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
16. 16.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is kept the same. (a) False (b) True
17. 17.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) True (b) False
18. 18.🏗️ Where does a bamboo pole get its strength from? (a) arches and domes (b) triangles (c) tubes
19. 19.🏗️ Which of these gets its strength from triangles? (a) an eggshell (b) a round pillar (c) a bamboo pole (d) a roof frame
20. 20.🔮 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
21. 21.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) coins (c) a battery cell (d) a ruler
22. 22.🏗️ Where does a bridge truss get its strength from? (a) tubes (b) arches and domes (c) triangles
23. 23.True or false: a round pillar gets its strength from triangles. (a) True (b) False
24. 24.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
25. 25.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) a mirror (d) coins
26. 26.🛟 How should the two books be placed for the paper bridge? (a) on a stool edge (b) high and wobbly (c) low and steady (d) on top of a pet
27. 27.True or false: coins is not needed for the paper bridge. (a) True (b) False
28. 28.🏗️ Which of these gets its strength from arches or domes? (a) a roof frame (b) a bamboo pole (c) an electric tower (d) a temple dome
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.🏗️ Where does a temple dome get its strength from? (a) tubes (b) triangles (c) arches and domes
31. 31.🧺 Do we need a battery cell for the paper bridge? (a) not needed (b) needed
32. 32.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we measure it (b) we keep it the same (c) we change it
33. 33.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the triangle (b) the heart shape (c) the square (d) the star
34. 34.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) a magnet (c) two books (d) a ruler
35. 35.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we change it (b) we measure it (c) we keep it the same
36. 36.⚖️ 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 paper
37. 37.True or false: a U-shaped channel makes a strong bridge. (a) True (b) False
38. 38.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the kind of paper (b) the shape of the paper (c) coins it holds (d) the gap between books
39. 39.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
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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