Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 302 · 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 of these makes a weak bridge? (a) paper with folded edges (b) a U-shaped channel (c) one flat sheet (d) a zigzag-folded sheet
2. 2.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) coins (c) two books (d) a battery cell
3. 3.True or false: rolled paper tubes makes a weak bridge. (a) False (b) True
4. 4.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) yeast (c) two books (d) a mirror
5. 5.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) the same number of (c) zero (d) more
6. 6.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
7. 7.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) turmeric powder (c) a ruler (d) a magnet
8. 8.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
9. 9.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) two books (c) coins (d) a magnet
10. 10.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the shape of the paper (b) the kind of paper (c) coins it holds
11. 11.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) a ruler (d) a balloon
12. 12.🔍 Which is the odd one out? (a) rolled paper tubes (b) a zigzag-folded sheet (c) a torn flat sheet (d) a U-shaped channel
13. 13.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds are magnetic (b) folds add glue (c) folds make it wet (d) folds make it stiffer
14. 14.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) fewer coins (b) only water (c) the same coins (d) more coins
15. 15.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
16. 16.🔍 Which is the odd one out? (a) a U-shaped channel (b) paper with folded edges (c) rolled paper tubes (d) a wet flat sheet
17. 17.🏗️ Which of these gets its strength from a tube shape? (a) an old stone bridge (b) an electric tower (c) a bamboo pole (d) a bridge truss
18. 18.🔍 Which is the odd one out? (a) rolled paper tubes (b) one flat sheet (c) paper with folded edges (d) a zigzag-folded sheet
19. 19.True or false: a battery cell is needed for the paper bridge. (a) True (b) False
20. 20.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) True (b) False
21. 21.True or false: a balloon is needed for the paper bridge. (a) True (b) False
22. 22.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) skip washing (b) rub your eyes (c) wash your hands (d) lick your fingers
23. 23.True or false: a hollow bird bone gets its strength from a tube shape. (a) False (b) True
24. 24.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) a magnet (c) sheets of paper (d) a balloon
25. 25.True or false: a ruler is not needed for the paper bridge. (a) True (b) False
26. 26.🏗️ Where does an old stone bridge get its strength from? (a) arches and domes (b) tubes (c) triangles
27. 27.True or false: a battery cell is not needed for the paper bridge. (a) True (b) False
28. 28.⚖️ 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
29. 29.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the gap between books (b) the shape of the paper (c) coins it holds
30. 30.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) True (b) False
31. 31.⚖️ 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
32. 32.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
33. 33.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) coins (c) yeast (d) a ruler
34. 34.🧺 Which of these is not needed for the paper bridge? (a) coins (b) two books (c) sheets of paper (d) a magnet
35. 35.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) strong bridge (b) weak bridge
36. 36.🌉 Does one flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
37. 37.⚖️ 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) coins it holds (d) where coins are placed
38. 38.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is kept the same. (a) False (b) True
39. 39.🏗️ Where does a bamboo pole get its strength from? (a) arches and domes (b) tubes (c) triangles
40. 40.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge

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