Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 223 · 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) on a stool edge (b) on top of a pet (c) high and wobbly (d) low and steady
2. 2.⚖️ 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 coins (c) the shape of the paper (d) the gap between books
3. 3.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) two books (c) sheets of paper (d) a battery cell
4. 4.🏗️ Where does an eggshell get its strength from? (a) arches and domes (b) triangles (c) tubes
5. 5.🧺 Do we need two books for the paper bridge? (a) not needed (b) needed
6. 6.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) a flat tissue (c) paper with folded edges (d) a torn flat sheet
7. 7.🌉 Which of these makes a weak bridge? (a) paper with folded edges (b) a U-shaped channel (c) rolled paper tubes (d) one flat sheet
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.🔍 Which is the odd one out? (a) paper with folded edges (b) a zigzag-folded sheet (c) rolled paper tubes (d) a wet flat sheet
10. 10.🏗️ Where does a bamboo pole get its strength from? (a) tubes (b) arches and domes (c) triangles
11. 11.🧺 Do we need turmeric powder for the paper bridge? (a) not needed (b) needed
12. 12.True or false: a battery cell is not needed for the paper bridge. (a) False (b) True
13. 13.True or false: turmeric powder is needed for the paper bridge. (a) False (b) True
14. 14.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) a zigzag-folded sheet (c) a wet flat sheet (d) a U-shaped channel
15. 15.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) True (b) False
16. 16.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) wash your hands (b) rub your eyes (c) lick your fingers (d) skip washing
17. 17.True or false: a zigzag-folded sheet makes a strong bridge. (a) True (b) False
18. 18.True or false: a ruler is not needed for the paper bridge. (a) True (b) False
19. 19.🏗️ Where does an old stone bridge get its strength from? (a) tubes (b) arches and domes (c) triangles
20. 20.🧺 Do we need a magnet for the paper bridge? (a) not needed (b) needed
21. 21.🔍 Which is the odd one out? (a) rolled paper tubes (b) one flat sheet (c) a torn flat sheet (d) a flat tissue
22. 22.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we change it (b) we keep it the same (c) we measure it
23. 23.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) sheets of paper (c) a mirror (d) a magnet
24. 24.True or false: a roof frame gets its strength from a tube shape. (a) True (b) False
25. 25.🧺 Which of these is not needed for the paper bridge? (a) two books (b) sheets of paper (c) a ruler (d) a balloon
26. 26.🏗️ Where does a bridge truss get its strength from? (a) tubes (b) triangles (c) arches and domes
27. 27.True or false: sheets of paper is not needed for the paper bridge. (a) False (b) True
28. 28.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) more (c) zero (d) fewer
29. 29.True or false: two books is not needed for the paper bridge. (a) True (b) False
30. 30.True or false: a battery cell is needed for the paper bridge. (a) False (b) True
31. 31.⚖️ 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
32. 32.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a balloon (c) a ruler (d) two books
33. 33.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
34. 34.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) False (b) True
35. 35.True or false: a temple dome gets its strength from arches or domes. (a) False (b) True
36. 36.True or false: an electric tower gets its strength from arches or domes. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a U-shaped channel (c) rolled paper tubes (d) a torn flat sheet
38. 38.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) a battery cell (c) coins (d) sheets of paper
39. 39.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the triangle (b) the heart shape (c) the star (d) the square
40. 40.True or false: a hollow bird bone gets its strength from a tube shape. (a) False (b) True

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