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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 373 · 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: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) upward (b) less (c) more (d) not at all
  2. 2.True or false: two books is needed for the paper bridge. (a) True (b) False
  3. 3.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we measure it (b) we keep it the same (c) we change it
  4. 4.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we measure it (b) we change it (c) we keep it the same
  5. 5.True or false: sheets of paper is not needed for the paper bridge. (a) True (b) False
  6. 6.🌉 Which of these makes a weak bridge? (a) a zigzag-folded sheet (b) one flat sheet (c) rolled paper tubes (d) a U-shaped channel
  7. 7.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) the same coins (b) fewer coins (c) more coins (d) only water
  8. 8.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) low and steady (c) on a stool edge (d) high and wobbly
  9. 9.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we keep it the same (b) we measure it (c) we change it
  10. 10.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is what we measure. (a) True (b) False
  11. 11.True or false: a magnet is not needed for the paper bridge. (a) False (b) True
  12. 12.🧺 Which of these is not needed for the paper bridge? (a) two books (b) a ruler (c) sheets of paper (d) a magnet
  13. 13.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
  14. 14.🏗️ 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 roof frame
  15. 15.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is the one thing we change. (a) False (b) True
  16. 16.🏗️ Where does a hollow bird bone get its strength from? (a) triangles (b) tubes (c) arches and domes
  17. 17.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is the one thing we change. (a) True (b) False
  18. 18.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) two books (c) a balloon (d) coins
  19. 19.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we change it (b) we measure it (c) we keep it the same
  20. 20.True or false: an electric tower gets its strength from arches or domes. (a) True (b) False
  21. 21.True or false: a balloon is not needed for the paper bridge. (a) True (b) False
  22. 22.🏗️ Where does an electric tower get its strength from? (a) triangles (b) arches and domes (c) tubes
  23. 23.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is kept the same. (a) True (b) False
  24. 24.True or false: yeast is needed for the paper bridge. (a) False (b) True
  25. 25.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
  26. 26.True or false: a balloon is needed for the paper bridge. (a) False (b) True
  27. 27.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) sheets of paper (c) turmeric powder (d) two books
  28. 28.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is the one thing we change. (a) True (b) False
  29. 29.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a ruler (c) coins (d) a mirror
  30. 30.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) two books (c) yeast (d) a mirror
  31. 31.🧺 Do we need a magnet for the paper bridge? (a) not needed (b) needed
  32. 32.True or false: two books is not needed for the paper bridge. (a) False (b) True
  33. 33.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds add glue (b) folds are magnetic (c) folds make it wet (d) folds make it stiffer
  34. 34.🌉 Does paper with folded edges make a strong or a weak bridge? (a) strong bridge (b) weak bridge
  35. 35.🏗️ Where does a bamboo pole get its strength from? (a) arches and domes (b) triangles (c) tubes
  36. 36.🏗️ Where does a bridge truss get its strength from? (a) triangles (b) arches and domes (c) tubes
  37. 37.True or false: one flat sheet makes a strong bridge. (a) False (b) True
  38. 38.🔍 Which is the odd one out? (a) paper with folded edges (b) rolled paper tubes (c) a wet flat sheet (d) a zigzag-folded sheet
  39. 39.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) False (b) True
  40. 40.🔍 Which is the odd one out? (a) a flat tissue (b) paper with folded edges (c) a wet flat sheet (d) one flat sheet

Answer key

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

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