Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 614 · 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.🔺 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 triangle (d) the heart shape
2. 2.True or false: an electric tower gets its strength from arches or domes. (a) True (b) False
3. 3.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) more (c) upward (d) not at all
4. 4.🧺 Which of these is needed for the paper bridge? (a) sheets of paper (b) a battery cell (c) a magnet (d) a balloon
5. 5.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a battery cell (b) a ruler (c) sheets of paper (d) coins
6. 6.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) fewer coins (b) more coins (c) only water (d) the same coins
7. 7.🏗️ Where does an old stone bridge get its strength from? (a) arches and domes (b) triangles (c) tubes
8. 8.⚖️ 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) the gap between books (c) the kind of coins (d) coins it holds
9. 9.🔍 Which is the odd one out? (a) paper with folded edges (b) one flat sheet (c) a flat tissue (d) a torn flat sheet
10. 10.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) turmeric powder (c) a balloon (d) two books
11. 11.🏗️ Which of these gets its strength from triangles? (a) a bridge truss (b) a bamboo pole (c) an eggshell (d) a hollow bird bone
12. 12.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) turmeric powder (d) coins
13. 13.🧺 Which of these is needed for the paper bridge? (a) a mirror (b) a battery cell (c) a ruler (d) a magnet
14. 14.⚖️ 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
15. 15.🧺 Do we need a mirror for the paper bridge? (a) not needed (b) needed
16. 16.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is the one thing we change. (a) False (b) True
17. 17.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) the same number of (c) more (d) fewer
18. 18.🏗️ Which of these gets its strength from arches or domes? (a) a bamboo pole (b) a temple dome (c) a bridge truss (d) an electric tower
19. 19.🏗️ Where does a bridge truss get its strength from? (a) triangles (b) arches and domes (c) tubes
20. 20.🔍 Which is the odd one out? (a) a torn flat sheet (b) a flat tissue (c) a zigzag-folded sheet (d) a wet flat sheet
21. 21.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is what we measure. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) rolled paper tubes (b) a zigzag-folded sheet (c) a wet flat sheet (d) paper with folded edges
23. 23.🛟 How should the two books be placed for the paper bridge? (a) low and steady (b) high and wobbly (c) on a stool edge (d) on top of a pet
24. 24.⚖️ 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) where coins are placed
25. 25.True or false: a round pillar gets its strength from triangles. (a) False (b) True
26. 26.🌉 Does a flat tissue make a strong or a weak bridge? (a) strong bridge (b) weak bridge
27. 27.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the gap between books (b) coins it holds (c) where coins are placed (d) the kind of paper
28. 28.🏗️ Which of these gets its strength from triangles? (a) a roof frame (b) a bamboo pole (c) a round pillar (d) a temple dome
29. 29.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) a zigzag-folded sheet (c) a U-shaped channel (d) a flat tissue
30. 30.🔍 Which is the odd one out? (a) a torn flat sheet (b) paper with folded edges (c) rolled paper tubes (d) a zigzag-folded sheet
31. 31.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a magnet (c) coins (d) a ruler
32. 32.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we measure it (b) we keep it the same (c) we change it
33. 33.🏗️ Where does a bamboo pole get its strength from? (a) triangles (b) arches and domes (c) tubes
34. 34.🔍 Which is the odd one out? (a) paper with folded edges (b) a flat tissue (c) a zigzag-folded sheet (d) a U-shaped channel
35. 35.True or false: a bridge truss gets its strength from triangles. (a) False (b) True
36. 36.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is the one thing we change. (a) False (b) True
37. 37.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it floats up (b) it sags and falls (c) it turns to card (d) it gets stronger
38. 38.🌉 Does one flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
39. 39.⚖️ 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
40. 40.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a ruler (c) yeast (d) coins

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