Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 225 · 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: turmeric powder is needed for the paper bridge. (a) False (b) True
2. 2.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) paper with folded edges (c) a torn flat sheet (d) a U-shaped channel
3. 3.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
4. 4.🔍 Which is the odd one out? (a) rolled paper tubes (b) a flat tissue (c) a wet flat sheet (d) one flat sheet
5. 5.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is kept the same. (a) False (b) True
6. 6.🏗️ Where does a bridge truss get its strength from? (a) tubes (b) triangles (c) arches and domes
7. 7.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) weak bridge (b) strong bridge
8. 8.🔍 Which is the odd one out? (a) rolled paper tubes (b) paper with folded edges (c) one flat sheet (d) a zigzag-folded sheet
9. 9.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is made of steel (b) it is magnetic (c) its curved arch shape (d) it is very hot
10. 10.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we measure it (b) we change it (c) we keep it the same
11. 11.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) coins it holds (b) the kind of paper (c) the shape of the paper
12. 12.True or false: a battery cell is not needed for the paper bridge. (a) True (b) False
13. 13.🔍 Which is the odd one out? (a) one flat sheet (b) a torn flat sheet (c) a wet flat sheet (d) a U-shaped channel
14. 14.True or false: a wet flat sheet makes a strong bridge. (a) True (b) False
15. 15.True or false: a magnet is not needed for the paper bridge. (a) True (b) False
16. 16.🧺 Which of these is needed for the paper bridge? (a) two books (b) a mirror (c) a battery cell (d) a balloon
17. 17.True or false: an eggshell gets its strength from a tube shape. (a) False (b) True
18. 18.True or false: a magnet is needed for the paper bridge. (a) True (b) False
19. 19.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) False (b) True
20. 20.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we measure it (b) we change it (c) we keep it the same
21. 21.🏗️ Where does an old stone bridge get its strength from? (a) tubes (b) triangles (c) arches and domes
22. 22.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) where coins are placed (b) the shape of the paper (c) the kind of coins (d) the kind of paper
23. 23.True or false: a roof frame gets its strength from triangles. (a) False (b) True
24. 24.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) a balloon (c) sheets of paper (d) a battery cell
25. 25.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we measure it (b) we keep it the same (c) we change it
26. 26.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) sheets of paper (d) a mirror
27. 27.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) more (b) fewer (c) zero (d) the same number of
28. 28.🏗️ Which of these gets its strength from triangles? (a) a bamboo pole (b) a temple dome (c) a hollow bird bone (d) an electric tower
29. 29.🛟 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
30. 30.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the shape of the paper (b) the kind of paper (c) where coins are placed (d) coins it holds
31. 31.⚖️ 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
32. 32.True or false: a mirror is needed for the paper bridge. (a) True (b) False
33. 33.True or false: a bamboo pole gets its strength from a tube shape. (a) False (b) True
34. 34.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) turmeric powder (c) coins (d) sheets of paper
35. 35.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
36. 36.True or false: a U-shaped channel makes a weak bridge. (a) True (b) False
37. 37.🏗️ Which of these gets its strength from arches or domes? (a) a round pillar (b) a bamboo pole (c) an eggshell (d) a hollow bird bone
38. 38.🔺 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 triangle (d) the square
39. 39.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
40. 40.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) yeast (c) a ruler (d) a magnet

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