Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 324 · 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.🔺 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
2. 2.🥚 Why is an egg hard to crush when you press on its two ends? (a) its curved arch shape (b) it is very hot (c) it is magnetic (d) it is made of steel
3. 3.True or false: rolled paper tubes makes a weak bridge. (a) True (b) False
4. 4.True or false: a bridge truss gets its strength from triangles. (a) False (b) True
5. 5.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
6. 6.True or false: coins is not needed for the paper bridge. (a) False (b) True
7. 7.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is kept the same. (a) False (b) True
8. 8.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
9. 9.True or false: a zigzag-folded sheet makes a strong bridge. (a) True (b) False
10. 10.🛟 How should the two books be placed for the paper bridge? (a) low and steady (b) on a stool edge (c) on top of a pet (d) high and wobbly
11. 11.🧺 Which of these is not needed for the paper bridge? (a) coins (b) a ruler (c) a battery cell (d) sheets of paper
12. 12.🧺 Do we need a battery cell for the paper bridge? (a) not needed (b) needed
13. 13.True or false: a battery cell is not needed for the paper bridge. (a) True (b) False
14. 14.True or false: a hollow bird bone gets its strength from triangles. (a) True (b) False
15. 15.True or false: a torn flat sheet makes a strong bridge. (a) False (b) True
16. 16.🏗️ Where does a temple dome get its strength from? (a) tubes (b) arches and domes (c) triangles
17. 17.🧺 Which of these is not needed for the paper bridge? (a) coins (b) sheets of paper (c) a balloon (d) two books
18. 18.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a battery cell (b) a ruler (c) coins (d) two books
19. 19.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) more (c) fewer (d) zero
20. 20.True or false: an old stone bridge gets its strength from arches or domes. (a) False (b) True
21. 21.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
22. 22.True or false: sheets of paper is not needed for the paper bridge. (a) False (b) True
23. 23.🏗️ Which of these gets its strength from arches or domes? (a) a roof frame (b) a temple dome (c) a round pillar (d) an electric tower
24. 24.True or false: a bridge truss gets its strength from arches or domes. (a) False (b) True
25. 25.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds make it wet (c) folds make it stiffer (d) folds are magnetic
26. 26.🔍 Which is the odd one out? (a) a flat tissue (b) rolled paper tubes (c) a zigzag-folded sheet (d) a U-shaped channel
27. 27.🏗️ Where does a hollow bird bone get its strength from? (a) arches and domes (b) tubes (c) triangles
28. 28.🧺 Do we need a ruler for the paper bridge? (a) needed (b) not needed
29. 29.True or false: a zigzag-folded sheet makes a weak bridge. (a) True (b) False
30. 30.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
31. 31.🏗️ Which of these gets its strength from triangles? (a) a bamboo pole (b) a round pillar (c) a roof frame (d) a hollow bird bone
32. 32.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) upward (b) less (c) not at all (d) more
33. 33.True or false: paper with folded edges makes a weak bridge. (a) True (b) False
34. 34.🏗️ Which of these gets its strength from triangles? (a) a bridge truss (b) a bamboo pole (c) a round pillar (d) a temple dome
35. 35.🔍 Which is the odd one out? (a) a U-shaped channel (b) paper with folded edges (c) a wet flat sheet (d) a zigzag-folded sheet
36. 36.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is what we measure. (a) False (b) True
37. 37.⚖️ 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
38. 38.True or false: a balloon is needed for the paper bridge. (a) True (b) False
39. 39.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) fewer coins (c) the same coins (d) more coins
40. 40.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) wash your hands (c) rub your eyes (d) skip washing

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