Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 860 · 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.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) on top of a pet (c) on a stool edge (d) low and steady
2. 2.True or false: turmeric powder is not needed for the paper bridge. (a) False (b) True
3. 3.🧺 Which of these is not needed for the paper bridge? (a) two books (b) coins (c) a magnet (d) a ruler
4. 4.🏗️ Where does a roof frame get its strength from? (a) tubes (b) arches and domes (c) triangles
5. 5.True or false: a balloon is needed for the paper bridge. (a) True (b) False
6. 6.True or false: coins is not needed for the paper bridge. (a) True (b) False
7. 7.🔺 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
8. 8.🌉 Which of these makes a weak bridge? (a) a wet flat sheet (b) a zigzag-folded sheet (c) rolled paper tubes (d) a U-shaped channel
9. 9.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) more (b) zero (c) the same number of (d) fewer
10. 10.🔍 Which is the odd one out? (a) paper with folded edges (b) a zigzag-folded sheet (c) rolled paper tubes (d) one flat sheet
11. 11.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) False (b) True
12. 12.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) two books (c) coins (d) yeast
13. 13.True or false: rolled paper tubes makes a weak bridge. (a) True (b) False
14. 14.🏗️ Where does a round pillar get its strength from? (a) tubes (b) triangles (c) arches and domes
15. 15.🔍 Which is the odd one out? (a) a U-shaped channel (b) a torn flat sheet (c) a wet flat sheet (d) one flat sheet
16. 16.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) coins (c) yeast (d) sheets of paper
17. 17.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) skip washing (b) rub your eyes (c) wash your hands (d) lick your fingers
18. 18.🧺 Do we need two books for the paper bridge? (a) not needed (b) needed
19. 19.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) coins it holds (b) the shape of the paper (c) the kind of paper
20. 20.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) a magnet (c) turmeric powder (d) sheets of paper
21. 21.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
22. 22.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) fewer coins (c) more coins (d) the same coins
23. 23.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
24. 24.True or false: a zigzag-folded sheet makes a strong bridge. (a) False (b) True
25. 25.⚖️ 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
26. 26.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) a battery cell (c) two books (d) sheets of paper
27. 27.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is the one thing we change. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) a torn flat sheet (b) rolled paper tubes (c) a U-shaped channel (d) paper with folded edges
29. 29.True or false: a balloon is not needed for the paper bridge. (a) False (b) True
30. 30.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we keep it the same (b) we change it (c) we measure it
31. 31.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) rolled paper tubes (c) one flat sheet (d) a wet flat sheet
32. 32.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) strong bridge (b) weak bridge
33. 33.True or false: a ruler is not needed for the paper bridge. (a) False (b) True
34. 34.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a mirror (c) a ruler (d) two books
35. 35.⚖️ 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
36. 36.🌉 Does paper with folded edges make a strong or a weak bridge? (a) weak bridge (b) strong bridge
37. 37.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a torn flat sheet (c) paper with folded edges (d) a flat tissue
38. 38.True or false: a magnet is not needed for the paper bridge. (a) True (b) False
39. 39.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is what we measure. (a) True (b) False
40. 40.True or false: one flat sheet makes a strong bridge. (a) True (b) False

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