Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 744 · 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.🌉 Does one flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
2. 2.True or false: a roof frame gets its strength from triangles. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) a flat tissue (b) one flat sheet (c) rolled paper tubes (d) a wet flat sheet
4. 4.🏗️ Where does a hollow bird bone get its strength from? (a) triangles (b) arches and domes (c) tubes
5. 5.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the kind of coins (b) where coins are placed (c) the kind of paper (d) coins it holds
6. 6.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
7. 7.True or false: coins is needed for the paper bridge. (a) False (b) True
8. 8.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is very hot (b) it is magnetic (c) it is made of steel (d) its curved arch shape
9. 9.🏗️ Where does an eggshell get its strength from? (a) tubes (b) triangles (c) arches and domes
10. 10.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds make it wet (b) folds make it stiffer (c) folds are magnetic (d) folds add glue
11. 11.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) strong bridge (b) weak bridge
12. 12.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) sheets of paper (c) a mirror (d) a magnet
13. 13.True or false: a balloon is not needed for the paper bridge. (a) False (b) True
14. 14.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) upward (b) not at all (c) more (d) less
15. 15.🏗️ Which of these gets its strength from triangles? (a) a bridge truss (b) a temple dome (c) an old stone bridge (d) an eggshell
16. 16.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we measure it (b) we keep it the same (c) we change it
17. 17.⚖️ 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
18. 18.True or false: an old stone bridge gets its strength from a tube shape. (a) False (b) True
19. 19.True or false: a balloon is needed for the paper bridge. (a) False (b) True
20. 20.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) a wet flat sheet (c) a torn flat sheet (d) paper with folded edges
21. 21.True or false: a flat tissue makes a strong bridge. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) paper with folded edges (b) a zigzag-folded sheet (c) one flat sheet (d) a U-shaped channel
23. 23.True or false: an electric tower gets its strength from arches or domes. (a) True (b) False
24. 24.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) coins it holds (b) the kind of paper (c) the shape of the paper (d) where coins are placed
25. 25.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) a ruler (c) coins (d) a magnet
26. 26.🧺 Do we need a ruler for the paper bridge? (a) needed (b) not needed
27. 27.🧺 Do we need yeast for the paper bridge? (a) not needed (b) needed
28. 28.🔍 Which is the odd one out? (a) a wet flat sheet (b) paper with folded edges (c) one flat sheet (d) a flat tissue
29. 29.🏗️ Where does a bamboo pole get its strength from? (a) tubes (b) triangles (c) arches and domes
30. 30.🔺 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 triangle (d) the square
31. 31.True or false: rolled paper tubes makes a weak bridge. (a) True (b) False
32. 32.True or false: an electric tower gets its strength from a tube shape. (a) True (b) False
33. 33.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) True (b) False
34. 34.🏗️ Which of these gets its strength from triangles? (a) an eggshell (b) an electric tower (c) an old stone bridge (d) a bamboo pole
35. 35.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) high and wobbly (c) on a stool edge (d) low and steady
36. 36.True or false: sheets of paper is not needed for the paper bridge. (a) False (b) True
37. 37.True or false: one flat sheet makes a weak bridge. (a) False (b) True
38. 38.🧺 Do we need a battery cell for the paper bridge? (a) not needed (b) needed
39. 39.🧺 Which of these is needed for the paper bridge? (a) a ruler (b) a battery cell (c) a balloon (d) a mirror
40. 40.True or false: rolled paper tubes makes a strong bridge. (a) True (b) False

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids