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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 63 · 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.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) more coins (c) the same coins (d) fewer coins
  2. 2.True or false: a bamboo pole gets its strength from triangles. (a) True (b) False
  3. 3.True or false: a wet flat sheet makes a strong bridge. (a) False (b) True
  4. 4.🧺 Which of these is needed for the paper bridge? (a) two books (b) a balloon (c) a battery cell (d) a mirror
  5. 5.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) a wet flat sheet (c) a U-shaped channel (d) a flat tissue
  6. 6.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
  7. 7.True or false: a round pillar gets its strength from triangles. (a) True (b) False
  8. 8.🧺 Which of these is not needed for the paper bridge? (a) two books (b) coins (c) a ruler (d) turmeric powder
  9. 9.⚖️ 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 coins (c) where coins are placed (d) coins it holds
  10. 10.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) upward (b) not at all (c) less (d) more
  11. 11.🏗️ Which of these gets its strength from arches or domes? (a) a roof frame (b) a round pillar (c) an electric tower (d) a temple dome
  12. 12.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds make it wet (b) folds make it stiffer (c) folds are magnetic (d) folds add glue
  13. 13.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
  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) a balloon (b) coins (c) a ruler (d) two books
  16. 16.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) a balloon (c) a mirror (d) coins
  17. 17.🔍 Which is the odd one out? (a) a U-shaped channel (b) a flat tissue (c) a wet flat sheet (d) one flat sheet
  18. 18.True or false: a battery cell is needed for the paper bridge. (a) False (b) True
  19. 19.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) skip washing (b) wash your hands (c) rub your eyes (d) lick your fingers
  20. 20.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) two books (c) yeast (d) coins
  21. 21.🏗️ Which of these gets its strength from a tube shape? (a) a hollow bird bone (b) an electric tower (c) a roof frame (d) a temple dome
  22. 22.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
  23. 23.🧺 Do we need a ruler for the paper bridge? (a) needed (b) not needed
  24. 24.🧺 Which of these is needed for the paper bridge? (a) sheets of paper (b) turmeric powder (c) a mirror (d) a battery cell
  25. 25.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a mirror (b) sheets of paper (c) coins (d) two books
  26. 26.True or false: yeast is not needed for the paper bridge. (a) False (b) True
  27. 27.True or false: a magnet is not needed for the paper bridge. (a) True (b) False
  28. 28.True or false: an old stone bridge gets its strength from arches or domes. (a) False (b) True
  29. 29.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the square (b) the triangle (c) the star (d) the heart shape
  30. 30.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a magnet (b) a ruler (c) sheets of paper (d) coins
  31. 31.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
  32. 32.🏗️ Where does a round pillar get its strength from? (a) triangles (b) arches and domes (c) tubes
  33. 33.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) True (b) False
  34. 34.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we change it (b) we keep it the same (c) we measure it
  35. 35.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
  36. 36.🏗️ Where does a hollow bird bone get its strength from? (a) triangles (b) arches and domes (c) tubes
  37. 37.True or false: a hollow bird bone gets its strength from a tube shape. (a) True (b) False
  38. 38.🏗️ Which of these gets its strength from arches or domes? (a) a roof frame (b) a bridge truss (c) an old stone bridge (d) a hollow bird bone
  39. 39.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) a flat tissue (c) paper with folded edges (d) one flat sheet
  40. 40.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is kept the same. (a) False (b) True

Answer key

  1. fewer coins
  2. False
  3. False
  4. two books
  5. a U-shaped channel
  6. not needed
  7. False
  8. turmeric powder
  9. coins it holds
  10. more
  11. a temple dome
  12. folds make it stiffer
  13. not needed
  14. False
  15. a balloon
  16. coins
  17. a U-shaped channel
  18. False
  19. wash your hands
  20. yeast
  21. a hollow bird bone
  22. not needed
  23. needed
  24. sheets of paper
  25. a mirror
  26. True
  27. True
  28. True
  29. the triangle
  30. a magnet
  31. not needed
  32. tubes
  33. False
  34. we keep it the same
  35. needed
  36. tubes
  37. True
  38. an old stone bridge
  39. paper with folded edges
  40. False

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