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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 416 · 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.⚖️ 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 measure it (c) we keep it the same
  2. 2.True or false: turmeric powder is not needed for the paper bridge. (a) False (b) True
  3. 3.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) fewer coins (c) more coins (d) the same coins
  4. 4.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) skip washing (c) lick your fingers (d) wash your hands
  5. 5.True or false: yeast is needed for the paper bridge. (a) False (b) True
  6. 6.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds make it wet (c) folds make it stiffer (d) folds are magnetic
  7. 7.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) paper with folded edges (c) a U-shaped channel (d) a wet flat sheet
  8. 8.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) sheets of paper (c) turmeric powder (d) two books
  9. 9.🏗️ Where does a temple dome get its strength from? (a) tubes (b) triangles (c) arches and domes
  10. 10.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) upward (b) less (c) not at all (d) more
  11. 11.True or false: a round pillar gets its strength from arches or domes. (a) True (b) False
  12. 12.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we measure it (b) we keep it the same (c) we change it
  13. 13.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
  14. 14.True or false: coins is needed for the paper bridge. (a) True (b) False
  15. 15.🔍 Which is the odd one out? (a) paper with folded edges (b) a flat tissue (c) one flat sheet (d) a wet flat sheet
  16. 16.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  17. 17.🧺 Which of these is needed for the paper bridge? (a) sheets of paper (b) a mirror (c) a balloon (d) yeast
  18. 18.🌉 Does paper with folded edges make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  19. 19.🛟 How should the two books be placed for the paper bridge? (a) low and steady (b) on top of a pet (c) high and wobbly (d) on a stool edge
  20. 20.🌉 Which of these makes a strong bridge? (a) a zigzag-folded sheet (b) a flat tissue (c) one flat sheet (d) a wet flat sheet
  21. 21.🧺 Do we need a mirror for the paper bridge? (a) not needed (b) needed
  22. 22.True or false: a magnet is not needed for the paper bridge. (a) False (b) True
  23. 23.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) two books (c) a magnet (d) a mirror
  24. 24.True or false: a U-shaped channel makes a strong bridge. (a) True (b) False
  25. 25.True or false: an eggshell gets its strength from arches or domes. (a) True (b) False
  26. 26.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  27. 27.🏗️ Which of these gets its strength from a tube shape? (a) a roof frame (b) an old stone bridge (c) a bridge truss (d) a bamboo pole
  28. 28.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  29. 29.True or false: a bridge truss gets its strength from triangles. (a) True (b) False
  30. 30.True or false: one flat sheet makes a strong bridge. (a) True (b) False
  31. 31.True or false: a hollow bird bone gets its strength from triangles. (a) False (b) True
  32. 32.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) coins it holds (b) the gap between books (c) the shape of the paper (d) the kind of paper
  33. 33.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is the one thing we change. (a) True (b) False
  34. 34.🏗️ Where does a roof frame get its strength from? (a) tubes (b) arches and domes (c) triangles
  35. 35.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  36. 36.🏗️ Where does a round pillar get its strength from? (a) tubes (b) triangles (c) arches and domes
  37. 37.True or false: an old stone bridge gets its strength from arches or domes. (a) True (b) False
  38. 38.🧺 Which of these is not needed for the paper bridge? (a) a magnet (b) sheets of paper (c) a ruler (d) coins
  39. 39.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
  40. 40.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we keep it the same (b) we change it (c) we measure it

Answer key

  1. we change it
  2. True
  3. fewer coins
  4. wash your hands
  5. False
  6. folds make it stiffer
  7. a wet flat sheet
  8. turmeric powder
  9. arches and domes
  10. more
  11. False
  12. we keep it the same
  13. not needed
  14. True
  15. paper with folded edges
  16. strong bridge
  17. sheets of paper
  18. strong bridge
  19. low and steady
  20. a zigzag-folded sheet
  21. not needed
  22. True
  23. two books
  24. True
  25. True
  26. strong bridge
  27. a bamboo pole
  28. strong bridge
  29. True
  30. False
  31. False
  32. the shape of the paper
  33. False
  34. triangles
  35. weak bridge
  36. tubes
  37. True
  38. a magnet
  39. not needed
  40. we keep it the same

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