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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 122 · 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.🌉 Which of these makes a weak bridge? (a) a wet flat sheet (b) a U-shaped channel (c) rolled paper tubes (d) a zigzag-folded sheet
  2. 2.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds are magnetic (b) folds add glue (c) folds make it wet (d) folds make it stiffer
  3. 3.🏗️ Which of these gets its strength from a tube shape? (a) an old stone bridge (b) a round pillar (c) an eggshell (d) a temple dome
  4. 4.True or false: a balloon is not needed for the paper bridge. (a) False (b) True
  5. 5.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the kind of paper (b) where coins are placed (c) the shape of the paper (d) coins it holds
  6. 6.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  7. 7.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) more (b) the same number of (c) zero (d) fewer
  8. 8.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is kept the same. (a) False (b) True
  9. 9.⚖️ 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
  10. 10.🛟 How should the two books be placed for the paper bridge? (a) low and steady (b) on top of a pet (c) on a stool edge (d) high and wobbly
  11. 11.🏗️ Which of these gets its strength from a tube shape? (a) a bridge truss (b) a roof frame (c) a bamboo pole (d) a temple dome
  12. 12.True or false: a bridge truss gets its strength from a tube shape. (a) True (b) False
  13. 13.🏗️ Which of these gets its strength from a tube shape? (a) a bridge truss (b) an old stone bridge (c) a roof frame (d) a hollow bird bone
  14. 14.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
  15. 15.🧺 Which of these is needed for the paper bridge? (a) coins (b) a battery cell (c) turmeric powder (d) a magnet
  16. 16.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
  17. 17.🏗️ Where does an eggshell get its strength from? (a) triangles (b) arches and domes (c) tubes
  18. 18.🧺 Which of these is needed for the paper bridge? (a) two books (b) yeast (c) turmeric powder (d) a battery cell
  19. 19.⚖️ 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
  20. 20.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) the same coins (c) fewer coins (d) only water
  21. 21.🔍 Which is the odd one out? (a) one flat sheet (b) a U-shaped channel (c) a flat tissue (d) a wet flat sheet
  22. 22.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) coins (c) sheets of paper (d) turmeric powder
  23. 23.True or false: coins is not needed for the paper bridge. (a) True (b) False
  24. 24.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
  25. 25.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  26. 26.True or false: coins is needed for the paper bridge. (a) False (b) True
  27. 27.True or false: a flat tissue makes a strong bridge. (a) False (b) True
  28. 28.🧺 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
  29. 29.True or false: one flat sheet makes a weak bridge. (a) False (b) True
  30. 30.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) one flat sheet (c) rolled paper tubes (d) a zigzag-folded sheet
  31. 31.🧺 Do we need a balloon for the paper bridge? (a) not needed (b) needed
  32. 32.True or false: a round pillar gets its strength from a tube shape. (a) False (b) True
  33. 33.True or false: a wet flat sheet makes a strong bridge. (a) True (b) False
  34. 34.True or false: a torn flat sheet makes a weak bridge. (a) False (b) True
  35. 35.True or false: yeast is not needed for the paper bridge. (a) True (b) False
  36. 36.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) wash your hands (c) rub your eyes (d) skip washing
  37. 37.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
  38. 38.True or false: a hollow bird bone gets its strength from triangles. (a) False (b) True
  39. 39.True or false: a round pillar gets its strength from arches or domes. (a) False (b) True
  40. 40.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it turns to card (b) it sags and falls (c) it floats up (d) it gets stronger

Answer key

  1. a wet flat sheet
  2. folds make it stiffer
  3. a round pillar
  4. True
  5. the shape of the paper
  6. strong bridge
  7. more
  8. True
  9. False
  10. low and steady
  11. a bamboo pole
  12. False
  13. a hollow bird bone
  14. not needed
  15. coins
  16. needed
  17. arches and domes
  18. two books
  19. we change it
  20. fewer coins
  21. a U-shaped channel
  22. turmeric powder
  23. False
  24. not needed
  25. strong bridge
  26. True
  27. False
  28. a mirror
  29. True
  30. one flat sheet
  31. not needed
  32. True
  33. False
  34. True
  35. True
  36. wash your hands
  37. weak bridge
  38. False
  39. False
  40. it sags and falls

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