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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 93 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.True or false: paper with folded edges makes a weak bridge. (a) False (b) True
  2. 2.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) sheets of paper (c) coins (d) a magnet
  3. 3.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is what we measure. (a) False (b) True
  4. 4.🏗️ Which of these gets its strength from arches or domes? (a) an electric tower (b) a hollow bird bone (c) an old stone bridge (d) a round pillar
  5. 5.🏗️ Where does a roof frame get its strength from? (a) arches and domes (b) triangles (c) tubes
  6. 6.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) True (b) False
  7. 7.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) turmeric powder (b) coins (c) two books (d) sheets of paper
  8. 8.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
  9. 9.True or false: a ruler is not needed for the paper bridge. (a) True (b) False
  10. 10.🔺 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 star (d) the triangle
  11. 11.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is the one thing we change. (a) False (b) True
  12. 12.True or false: a flat tissue makes a weak bridge. (a) True (b) False
  13. 13.🧺 Do we need turmeric powder for the paper bridge? (a) not needed (b) needed
  14. 14.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a torn flat 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: the gap between books is what we measure. (a) False (b) True
  16. 16.True or false: a bridge truss gets its strength from triangles. (a) True (b) False
  17. 17.True or false: a flat tissue makes a strong bridge. (a) False (b) True
  18. 18.🏗️ Which of these gets its strength from a tube shape? (a) an electric tower (b) a roof frame (c) a round pillar (d) a temple dome
  19. 19.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) sheets of paper (c) two books (d) yeast
  20. 20.🧺 Do we need yeast for the paper bridge? (a) needed (b) not needed
  21. 21.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we measure it (b) we change it (c) we keep it the same
  22. 22.True or false: one flat sheet makes a weak bridge. (a) False (b) True
  23. 23.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is kept the same. (a) True (b) False
  24. 24.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a balloon (c) two books (d) coins
  25. 25.True or false: a bamboo pole gets its strength from a tube shape. (a) True (b) False
  26. 26.🧺 Which of these is needed for the paper bridge? (a) yeast (b) two books (c) a balloon (d) a magnet
  27. 27.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
  28. 28.True or false: a wet flat sheet makes a strong bridge. (a) False (b) True
  29. 29.🧺 Do we need a ruler for the paper bridge? (a) needed (b) not needed
  30. 30.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is the one thing we change. (a) True (b) False
  31. 31.True or false: a U-shaped channel makes a weak bridge. (a) True (b) False
  32. 32.🏗️ Where does an electric tower get its strength from? (a) tubes (b) arches and domes (c) triangles
  33. 33.🏗️ Which of these gets its strength from triangles? (a) a hollow bird bone (b) an old stone bridge (c) a temple dome (d) a roof frame
  34. 34.🌉 Which of these makes a strong bridge? (a) paper with folded edges (b) a torn flat sheet (c) one flat sheet (d) a flat tissue
  35. 35.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) turmeric powder (c) a battery cell (d) a ruler
  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.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds make it wet (b) folds add glue (c) folds make it stiffer (d) folds are magnetic
  38. 38.🛟 How should the two books be placed for the paper bridge? (a) on a stool edge (b) low and steady (c) high and wobbly (d) on top of a pet
  39. 39.True or false: a wet flat sheet makes a weak bridge. (a) True (b) False
  40. 40.🏗️ Where does an old stone bridge get its strength from? (a) arches and domes (b) triangles (c) tubes

Answer key

  1. False
  2. a magnet
  3. False
  4. an old stone bridge
  5. triangles
  6. True
  7. turmeric powder
  8. strong bridge
  9. False
  10. the triangle
  11. True
  12. True
  13. not needed
  14. a U-shaped channel
  15. False
  16. True
  17. False
  18. a round pillar
  19. yeast
  20. not needed
  21. we keep it the same
  22. True
  23. True
  24. a balloon
  25. True
  26. two books
  27. needed
  28. False
  29. needed
  30. False
  31. False
  32. triangles
  33. a roof frame
  34. paper with folded edges
  35. a ruler
  36. False
  37. folds make it stiffer
  38. low and steady
  39. True
  40. arches and domes

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