Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 693 · 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 a stool edge (c) on top of a pet (d) low and steady
2. 2.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) wash your hands (b) lick your fingers (c) rub your eyes (d) skip washing
3. 3.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a mirror (c) two books (d) coins
4. 4.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
5. 5.🧺 Which of these is not needed for the paper bridge? (a) coins (b) sheets of paper (c) a ruler (d) a mirror
6. 6.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) paper with folded edges (c) a U-shaped channel (d) one flat sheet
7. 7.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we change it (b) we measure it (c) we keep it the same
8. 8.🏗️ Where does an electric tower get its strength from? (a) tubes (b) arches and domes (c) triangles
9. 9.⚖️ 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
10. 10.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) two books (c) yeast (d) a ruler
11. 11.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) turmeric powder (c) two books (d) a ruler
12. 12.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
13. 13.🧺 Do we need a magnet for the paper bridge? (a) not needed (b) needed
14. 14.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it turns to card (b) it sags and falls (c) it floats up (d) it gets stronger
15. 15.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we measure it (b) we keep it the same (c) we change it
16. 16.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) fewer coins (b) only water (c) more coins (d) the same coins
17. 17.🧺 Do we need a battery cell for the paper bridge? (a) needed (b) not needed
18. 18.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a magnet (c) a ruler (d) sheets of paper
19. 19.🏗️ Which of these gets its strength from triangles? (a) an old stone bridge (b) a hollow bird bone (c) a bridge truss (d) a round pillar
20. 20.🏗️ Which of these gets its strength from arches or domes? (a) a bamboo pole (b) a bridge truss (c) a round pillar (d) a temple dome
21. 21.🔍 Which is the odd one out? (a) a U-shaped channel (b) a wet flat sheet (c) a flat tissue (d) a torn flat sheet
22. 22.🏗️ Where does a hollow bird bone get its strength from? (a) tubes (b) triangles (c) arches and domes
23. 23.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is kept the same. (a) True (b) False
24. 24.True or false: sheets of paper is not needed for the paper bridge. (a) True (b) False
25. 25.True or false: a zigzag-folded sheet makes a strong bridge. (a) True (b) False
26. 26.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the heart shape (b) the star (c) the square (d) the triangle
27. 27.🌉 Does paper with folded edges make a strong or a weak bridge? (a) strong bridge (b) weak bridge
28. 28.⚖️ 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 measure it (c) we change it
29. 29.🧺 Which of these is not needed for the paper bridge? (a) two books (b) sheets of paper (c) a balloon (d) a ruler
30. 30.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) False (b) True
31. 31.🏗️ Which of these gets its strength from arches or domes? (a) a hollow bird bone (b) an electric tower (c) a round pillar (d) an eggshell
32. 32.🧺 Do we need a balloon for the paper bridge? (a) not needed (b) needed
33. 33.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the gap between books (b) the shape of the paper (c) coins it holds (d) the kind of coins
34. 34.🔍 Which is the odd one out? (a) one flat sheet (b) a flat tissue (c) rolled paper tubes (d) a torn flat sheet
35. 35.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds make it wet (b) folds are magnetic (c) folds add glue (d) folds make it stiffer
36. 36.🧺 Which of these is needed for the paper bridge? (a) two books (b) turmeric powder (c) a mirror (d) yeast
37. 37.True or false: a hollow bird bone gets its strength from a tube shape. (a) False (b) True
38. 38.🧺 Which of these is needed for the paper bridge? (a) sheets of paper (b) a mirror (c) turmeric powder (d) a balloon
39. 39.⚖️ 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
40. 40.True or false: a bamboo pole gets its strength from a tube shape. (a) True (b) False

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