Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 647 · 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 roof frame gets its strength from a tube shape. (a) True (b) False
2. 2.True or false: a balloon is needed for the paper bridge. (a) False (b) True
3. 3.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) zero (c) the same number of (d) more
4. 4.🔍 Which is the odd one out? (a) a flat tissue (b) a wet flat sheet (c) a zigzag-folded sheet (d) a torn flat sheet
5. 5.True or false: a zigzag-folded sheet makes a strong bridge. (a) True (b) False
6. 6.🏗️ Which of these gets its strength from triangles? (a) an old stone bridge (b) a bamboo pole (c) a hollow bird bone (d) an electric tower
7. 7.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
8. 8.🔍 Which is the odd one out? (a) a U-shaped channel (b) a wet flat sheet (c) a zigzag-folded sheet (d) rolled paper tubes
9. 9.🏗️ Which of these gets its strength from a tube shape? (a) a bamboo pole (b) an eggshell (c) a roof frame (d) an electric tower
10. 10.True or false: a roof frame gets its strength from triangles. (a) True (b) False
11. 11.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) where coins are placed (b) the kind of coins (c) the shape of the paper (d) the gap between books
12. 12.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) a flat tissue (c) rolled paper tubes (d) a torn flat sheet
13. 13.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) coins (c) two books (d) a balloon
14. 14.True or false: a wet flat sheet makes a strong bridge. (a) True (b) False
15. 15.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) paper with folded edges (c) a U-shaped channel (d) a flat tissue
16. 16.True or false: a wet flat sheet makes a weak bridge. (a) True (b) False
17. 17.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
18. 18.True or false: a hollow bird bone gets its strength from a tube shape. (a) False (b) True
19. 19.True or false: rolled paper tubes makes a weak bridge. (a) True (b) False
20. 20.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) rolled paper tubes (c) one flat sheet (d) a U-shaped channel
21. 21.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a flat tissue (c) a torn flat sheet (d) a zigzag-folded sheet
22. 22.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) a bamboo pole (c) a round pillar (d) a bridge truss
23. 23.⚖️ 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 paper
24. 24.🏗️ Where does a roof frame get its strength from? (a) tubes (b) arches and domes (c) triangles
25. 25.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) fewer coins (b) the same coins (c) only water (d) more coins
26. 26.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) paper with folded edges (c) one flat sheet (d) a wet flat sheet
27. 27.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) on a stool edge (c) low and steady (d) on top of a pet
28. 28.🏗️ Which of these gets its strength from arches or domes? (a) a bridge truss (b) a round pillar (c) an eggshell (d) a roof frame
29. 29.⚖️ 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
30. 30.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) yeast (c) a ruler (d) coins
31. 31.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) a flat tissue (b) one flat sheet (c) a U-shaped channel (d) a torn flat sheet
33. 33.True or false: turmeric powder is not needed for the paper bridge. (a) True (b) False
34. 34.True or false: coins is needed for the paper bridge. (a) True (b) False
35. 35.🔍 Which is the odd one out? (a) one flat sheet (b) a wet flat sheet (c) a flat tissue (d) rolled paper tubes
36. 36.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the star (b) the heart shape (c) the square (d) the triangle
37. 37.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the shape of the paper (b) the gap between books (c) coins it holds
38. 38.True or false: a torn flat sheet makes a strong bridge. (a) True (b) False
39. 39.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) a battery cell (c) sheets of paper (d) two books
40. 40.🏗️ Where does an electric tower get its strength from? (a) tubes (b) triangles (c) arches and domes

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