Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 607 · 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.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) fewer (c) more (d) the same number of
2. 2.True or false: two books is needed for the paper bridge. (a) True (b) False
3. 3.🏗️ Where does a roof frame get its strength from? (a) tubes (b) triangles (c) arches and domes
4. 4.True or false: an electric tower gets its strength from triangles. (a) False (b) True
5. 5.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds are magnetic (b) folds make it wet (c) folds add glue (d) folds make it stiffer
6. 6.🔍 Which is the odd one out? (a) a wet flat sheet (b) a flat tissue (c) rolled paper tubes (d) a torn flat sheet
7. 7.True or false: a wet flat sheet makes a weak bridge. (a) True (b) False
8. 8.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
9. 9.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) two books (c) a balloon (d) sheets of paper
10. 10.🌉 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
11. 11.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) yeast (b) a ruler (c) coins (d) two books
12. 12.True or false: a hollow bird bone gets its strength from triangles. (a) True (b) False
13. 13.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) weak bridge (b) strong bridge
14. 14.True or false: a ruler is not needed for the paper bridge. (a) False (b) True
15. 15.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a battery cell (c) two books (d) a ruler
16. 16.🔍 Which is the odd one out? (a) rolled paper tubes (b) a U-shaped channel (c) a zigzag-folded sheet (d) one flat sheet
17. 17.True or false: turmeric powder is not needed for the paper bridge. (a) False (b) True
18. 18.True or false: one flat sheet makes a strong bridge. (a) True (b) False
19. 19.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we change it (b) we measure it (c) we keep it the same
20. 20.True or false: coins is needed for the paper bridge. (a) False (b) True
21. 21.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) low and steady (c) high and wobbly (d) on a stool edge
22. 22.True or false: a hollow bird bone gets its strength from a tube shape. (a) True (b) False
23. 23.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
24. 24.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we measure it (b) we change it (c) we keep it the same
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.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a mirror (c) a ruler (d) two books
27. 27.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the heart shape (b) the square (c) the triangle (d) the star
28. 28.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we measure it (b) we change it (c) we keep it the same
29. 29.🏗️ Where does a temple dome get its strength from? (a) tubes (b) arches and domes (c) triangles
30. 30.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) False (b) True
31. 31.🌉 Which of these makes a strong bridge? (a) a U-shaped channel (b) a flat tissue (c) a wet flat sheet (d) a torn flat sheet
32. 32.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) wash your hands (c) lick your fingers (d) skip washing
33. 33.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) coins (c) sheets of paper (d) yeast
34. 34.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) False (b) True
35. 35.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a zigzag-folded sheet (c) a torn flat sheet (d) a flat tissue
36. 36.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we keep it the same (b) we measure it (c) we change it
37. 37.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the gap between books (b) coins it holds (c) the shape of the paper (d) the kind of paper
38. 38.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) not at all (b) upward (c) less (d) more
39. 39.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
40. 40.🧺 Which of these is needed for the paper bridge? (a) a mirror (b) two books (c) a battery cell (d) yeast

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