Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 396 · 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.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) more (c) zero (d) fewer
2. 2.🧺 Do we need a balloon for the paper bridge? (a) not needed (b) needed
3. 3.🏗️ Which of these gets its strength from a tube shape? (a) an electric tower (b) an old stone bridge (c) a bamboo pole (d) a bridge truss
4. 4.True or false: a battery cell is needed for the paper bridge. (a) True (b) False
5. 5.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we keep it the same (b) we measure it (c) we change it
6. 6.🔍 Which is the odd one out? (a) a U-shaped channel (b) a zigzag-folded sheet (c) rolled paper tubes (d) a torn flat sheet
7. 7.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) coins it holds (b) the gap between books (c) the kind of paper (d) the shape of the paper
8. 8.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
9. 9.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) wash your hands (c) lick your fingers (d) skip washing
10. 10.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) True (b) False
11. 11.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) where coins are placed (b) coins it holds (c) the shape of the paper
12. 12.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) coins (c) two books (d) a magnet
13. 13.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) a torn flat sheet (c) rolled paper tubes (d) one flat sheet
14. 14.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
15. 15.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) the same coins (b) only water (c) more coins (d) fewer coins
16. 16.⚖️ 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 kind of coins (c) the kind of paper (d) where coins are placed
17. 17.🌉 Which of these makes a strong bridge? (a) paper with folded edges (b) a wet flat sheet (c) one flat sheet (d) a torn flat sheet
18. 18.True or false: a zigzag-folded sheet makes a strong bridge. (a) True (b) False
19. 19.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a balloon (b) a ruler (c) coins (d) sheets of paper
20. 20.True or false: a U-shaped channel makes a weak bridge. (a) True (b) False
21. 21.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a magnet (b) coins (c) two books (d) a ruler
22. 22.🧺 Do we need a battery cell for the paper bridge? (a) not needed (b) needed
23. 23.🏗️ Which of these gets its strength from arches or domes? (a) a round pillar (b) an eggshell (c) a bamboo pole (d) a roof frame
24. 24.True or false: a torn flat sheet makes a weak bridge. (a) False (b) True
25. 25.🛟 How should the two books be placed for the paper bridge? (a) on a stool edge (b) high and wobbly (c) on top of a pet (d) low and steady
26. 26.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) sheets of paper (c) coins (d) turmeric powder
27. 27.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
28. 28.🔍 Which is the odd one out? (a) a torn flat sheet (b) one flat sheet (c) a flat tissue (d) a zigzag-folded sheet
29. 29.🔍 Which is the odd one out? (a) one flat sheet (b) a flat tissue (c) paper with folded edges (d) a torn flat sheet
30. 30.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
31. 31.🏗️ Which of these gets its strength from triangles? (a) a bamboo pole (b) a temple dome (c) a roof frame (d) a hollow bird bone
32. 32.🏗️ Where does a hollow bird bone get its strength from? (a) triangles (b) tubes (c) arches and domes
33. 33.⚖️ 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
34. 34.True or false: a hollow bird bone gets its strength from triangles. (a) True (b) False
35. 35.True or false: a mirror is needed for the paper bridge. (a) True (b) False
36. 36.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the square (b) the heart shape (c) the triangle (d) the star
37. 37.🧺 Which of these is needed for the paper bridge? (a) yeast (b) a mirror (c) a battery cell (d) a ruler
38. 38.True or false: one flat sheet makes a weak bridge. (a) False (b) True
39. 39.🏗️ Where does a roof frame get its strength from? (a) arches and domes (b) tubes (c) triangles
40. 40.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) coins it holds (b) the kind of coins (c) the shape of the paper

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