Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 372 · 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.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) fewer coins (c) the same coins (d) more coins
3. 3.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) coins (c) a mirror (d) a ruler
4. 4.🏗️ Where does an eggshell get its strength from? (a) triangles (b) arches and domes (c) tubes
5. 5.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) yeast (c) two books (d) a ruler
6. 6.🏗️ Which of these gets its strength from a tube shape? (a) an eggshell (b) a roof frame (c) a temple dome (d) a hollow bird bone
7. 7.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) coins (c) a balloon (d) a magnet
8. 8.🔍 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
9. 9.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we change it (b) we keep it the same (c) we measure it
10. 10.⚖️ 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
11. 11.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) a flat tissue (c) a zigzag-folded sheet (d) a U-shaped channel
12. 12.🏗️ Where does an electric tower get its strength from? (a) arches and domes (b) triangles (c) tubes
13. 13.True or false: coins is needed for the paper bridge. (a) False (b) True
14. 14.🧺 Do we need sheets of paper for the paper bridge? (a) needed (b) not needed
15. 15.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) sheets of paper (c) a battery cell (d) two books
16. 16.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) high and wobbly (c) low and steady (d) on a stool edge
17. 17.True or false: a wet flat sheet makes a strong bridge. (a) True (b) False
18. 18.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
19. 19.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
20. 20.True or false: a magnet is not needed for the paper bridge. (a) False (b) True
21. 21.🧺 Which of these is needed for the paper bridge? (a) a ruler (b) a mirror (c) a battery cell (d) a magnet
22. 22.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) fewer (c) more (d) zero
23. 23.True or false: an electric tower gets its strength from a tube shape. (a) False (b) True
24. 24.🏗️ Where does a hollow bird bone get its strength from? (a) tubes (b) arches and domes (c) triangles
25. 25.🧺 Which of these is needed for the paper bridge? (a) sheets of paper (b) a battery cell (c) a mirror (d) yeast
26. 26.True or false: a battery cell is not needed for the paper bridge. (a) False (b) True
27. 27.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the gap between books (b) the shape of the paper (c) the kind of paper (d) coins it holds
28. 28.🔍 Which is the odd one out? (a) one flat sheet (b) paper with folded edges (c) a torn flat sheet (d) a flat tissue
29. 29.🏗️ Where does a temple dome get its strength from? (a) tubes (b) triangles (c) arches and domes
30. 30.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is what we measure. (a) True (b) False
31. 31.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) not at all (b) less (c) upward (d) more
32. 32.⚖️ 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
33. 33.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) a ruler (d) a balloon
34. 34.True or false: a roof frame gets its strength from triangles. (a) False (b) True
35. 35.🌉 Does paper with folded edges make a strong or a weak bridge? (a) strong bridge (b) weak bridge
36. 36.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) rolled paper tubes (c) one flat sheet (d) paper with folded edges
37. 37.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a flat tissue (c) paper with folded edges (d) a U-shaped channel
38. 38.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) a U-shaped channel (c) a wet flat sheet (d) one flat sheet
39. 39.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a magnet (c) sheets of paper (d) a ruler
40. 40.True or false: a temple dome gets its strength from arches or domes. (a) True (b) False

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