Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 709 · 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) fewer (b) more (c) the same number of (d) zero
2. 2.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) two books (c) a mirror (d) yeast
3. 3.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) on a stool edge (c) on top of a pet (d) low and steady
4. 4.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a ruler (c) coins (d) turmeric powder
5. 5.True or false: an old stone bridge gets its strength from triangles. (a) False (b) True
6. 6.True or false: rolled paper tubes makes a weak bridge. (a) True (b) False
7. 7.⚖️ 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
8. 8.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) where coins are placed (b) the kind of paper (c) the shape of the paper (d) coins it holds
9. 9.🧺 Do we need a battery cell for the paper bridge? (a) needed (b) not needed
10. 10.True or false: an old stone bridge gets its strength from arches or domes. (a) False (b) True
11. 11.🌉 Does one flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
12. 12.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) False (b) True
13. 13.🧺 Do we need a balloon for the paper bridge? (a) not needed (b) needed
14. 14.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a mirror (c) two books (d) a ruler
15. 15.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it floats up (b) it sags and falls (c) it gets stronger (d) it turns to card
16. 16.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) yeast (b) two books (c) coins (d) a ruler
17. 17.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
18. 18.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a magnet (b) coins (c) two books (d) a ruler
19. 19.True or false: a hollow bird bone gets its strength from arches or domes. (a) False (b) True
20. 20.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) a balloon (c) a ruler (d) turmeric powder
21. 21.🏗️ Where does a temple dome get its strength from? (a) triangles (b) tubes (c) arches and domes
22. 22.🌉 Which of these makes a strong bridge? (a) rolled paper tubes (b) a torn flat sheet (c) a wet flat sheet (d) one flat sheet
23. 23.🌉 Does a torn flat sheet 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 “where coins are placed”? (a) we change it (b) we measure it (c) we keep it the same
25. 25.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) the same coins (c) fewer coins (d) more coins
26. 26.True or false: a temple dome gets its strength from a tube shape. (a) False (b) True
27. 27.🧺 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
28. 28.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we keep it the same (b) we measure it (c) we change it
29. 29.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is kept the same. (a) False (b) True
30. 30.⚖️ 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
31. 31.True or false: coins is needed for the paper bridge. (a) True (b) False
32. 32.True or false: yeast is not needed for the paper bridge. (a) False (b) True
33. 33.🧺 Do we need two books for the paper bridge? (a) not needed (b) needed
34. 34.🏗️ Which of these gets its strength from arches or domes? (a) an electric tower (b) a hollow bird bone (c) an eggshell (d) a bamboo pole
35. 35.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
36. 36.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we change it (b) we keep it the same (c) we measure it
37. 37.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) yeast (c) two books (d) coins
38. 38.🏗️ Which of these gets its strength from a tube shape? (a) a bridge truss (b) a temple dome (c) a bamboo pole (d) an eggshell
39. 39.True or false: a zigzag-folded sheet makes a weak bridge. (a) False (b) True
40. 40.True or false: an eggshell gets its strength from triangles. (a) False (b) True

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