Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 722 · 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 magnet is needed for the paper bridge. (a) True (b) False
2. 2.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a battery cell (c) coins (d) a ruler
3. 3.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a torn flat sheet (c) one flat sheet (d) a wet flat sheet
4. 4.True or false: a wet flat sheet makes a weak bridge. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) a U-shaped channel (b) paper with folded edges (c) a torn flat sheet (d) a zigzag-folded sheet
6. 6.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) yeast (c) coins (d) a ruler
7. 7.🏗️ Where does a hollow bird bone get its strength from? (a) triangles (b) arches and domes (c) tubes
8. 8.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) turmeric powder (d) sheets of paper
9. 9.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) more (c) zero (d) fewer
10. 10.🛟 How should the two books be placed for the paper bridge? (a) low and steady (b) on top of a pet (c) on a stool edge (d) high and wobbly
11. 11.🧺 Which of these is needed for the paper bridge? (a) yeast (b) turmeric powder (c) a battery cell (d) coins
12. 12.True or false: coins is needed for the paper bridge. (a) False (b) True
13. 13.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
14. 14.🏗️ Which of these gets its strength from a tube shape? (a) an old stone bridge (b) a bridge truss (c) an electric tower (d) a round pillar
15. 15.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
16. 16.True or false: an electric tower gets its strength from triangles. (a) True (b) False
17. 17.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) a wet flat sheet (c) one flat sheet (d) paper with folded edges
18. 18.True or false: a ruler is needed for the paper bridge. (a) False (b) True
19. 19.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) sheets of paper (c) a balloon (d) two books
20. 20.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) True (b) False
21. 21.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) more (c) not at all (d) upward
22. 22.🏗️ Which of these gets its strength from triangles? (a) a bamboo pole (b) a bridge truss (c) an eggshell (d) a temple dome
23. 23.🧺 Which of these is needed for the paper bridge? (a) yeast (b) turmeric powder (c) a balloon (d) a ruler
24. 24.True or false: sheets of paper is not needed for the paper bridge. (a) False (b) True
25. 25.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) a mirror (c) a battery cell (d) sheets of paper
26. 26.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the kind of coins (b) the shape of the paper (c) the gap between books (d) where coins are placed
27. 27.⚖️ 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
28. 28.True or false: a U-shaped channel makes a weak bridge. (a) False (b) True
29. 29.🏗️ Which of these gets its strength from triangles? (a) a bamboo pole (b) a roof frame (c) a round pillar (d) a hollow bird bone
30. 30.🧺 Do we need yeast for the paper bridge? (a) needed (b) not needed
31. 31.🔍 Which is the odd one out? (a) one flat sheet (b) a flat tissue (c) a torn flat sheet (d) a U-shaped channel
32. 32.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) a balloon (c) two books (d) a ruler
33. 33.⚖️ 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 gap between books
34. 34.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is what we measure. (a) False (b) True
35. 35.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) wash your hands (c) skip washing (d) lick your fingers
36. 36.🔍 Which is the odd one out? (a) paper with folded edges (b) a zigzag-folded sheet (c) rolled paper tubes (d) a flat tissue
37. 37.True or false: a flat tissue makes a strong bridge. (a) True (b) False
38. 38.True or false: a zigzag-folded sheet makes a strong bridge. (a) False (b) True
39. 39.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds are magnetic (b) folds make it wet (c) folds add glue (d) folds make it stiffer
40. 40.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge

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