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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 700 · 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: a balloon is needed for the paper bridge. (a) False (b) True
  2. 2.🏗️ Which of these gets its strength from a tube shape? (a) an electric tower (b) a bamboo pole (c) a roof frame (d) an eggshell
  3. 3.🏗️ Which of these gets its strength from triangles? (a) a hollow bird bone (b) an eggshell (c) a temple dome (d) an electric tower
  4. 4.🛟 How should the two books be placed for the paper bridge? (a) high and wobbly (b) on a stool edge (c) on top of a pet (d) low and steady
  5. 5.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we change it (b) we measure it (c) we keep it the same
  6. 6.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) a U-shaped channel (c) a wet flat sheet (d) one flat sheet
  7. 7.True or false: a bridge truss gets its strength from triangles. (a) True (b) False
  8. 8.🔮 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
  9. 9.🧺 Do we need a battery cell for the paper bridge? (a) needed (b) not needed
  10. 10.🧺 Which of these is not needed for the paper bridge? (a) coins (b) sheets of paper (c) two books (d) a magnet
  11. 11.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds are magnetic (b) folds make it stiffer (c) folds add glue (d) folds make it wet
  12. 12.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) wash your hands (b) skip washing (c) lick your fingers (d) rub your eyes
  13. 13.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) turmeric powder (d) sheets of paper
  14. 14.🏗️ Where does an electric tower get its strength from? (a) arches and domes (b) triangles (c) tubes
  15. 15.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
  16. 16.🏗️ Which of these gets its strength from a tube shape? (a) an eggshell (b) a temple dome (c) a bridge truss (d) a round pillar
  17. 17.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) a battery cell (c) sheets of paper (d) coins
  18. 18.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) yeast (c) sheets of paper (d) a magnet
  19. 19.🔺 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
  20. 20.🏗️ Where does a bridge truss get its strength from? (a) arches and domes (b) triangles (c) tubes
  21. 21.True or false: a magnet is needed for the paper bridge. (a) False (b) True
  22. 22.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) more (c) the same number of (d) fewer
  23. 23.🏗️ Where does a temple dome get its strength from? (a) arches and domes (b) triangles (c) tubes
  24. 24.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is kept the same. (a) False (b) True
  25. 25.True or false: a torn flat sheet makes a strong bridge. (a) True (b) False
  26. 26.True or false: two books is not needed for the paper bridge. (a) True (b) False
  27. 27.True or false: coins is needed for the paper bridge. (a) False (b) True
  28. 28.True or false: turmeric powder is needed for the paper bridge. (a) True (b) False
  29. 29.True or false: sheets of paper is not needed for the paper bridge. (a) True (b) False
  30. 30.🧺 Do we need a ruler for the paper bridge? (a) needed (b) not needed
  31. 31.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we change it (b) we measure it (c) we keep it the same
  32. 32.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) turmeric powder (c) coins (d) two books
  33. 33.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is what we measure. (a) True (b) False
  34. 34.True or false: a flat tissue makes a strong bridge. (a) True (b) False
  35. 35.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) a balloon (c) a ruler (d) a battery cell
  36. 36.⚖️ 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) the kind of paper (d) coins it holds
  37. 37.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
  38. 38.🧺 Which of these is not needed for the paper bridge? (a) coins (b) sheets of paper (c) a mirror (d) two books
  39. 39.🏗️ Where does a round pillar get its strength from? (a) tubes (b) arches and domes (c) triangles
  40. 40.🌉 Does a flat tissue make a strong or a weak bridge? (a) strong bridge (b) weak bridge

Answer key

  1. False
  2. a bamboo pole
  3. an electric tower
  4. low and steady
  5. we keep it the same
  6. a U-shaped channel
  7. True
  8. more
  9. not needed
  10. a magnet
  11. folds make it stiffer
  12. wash your hands
  13. turmeric powder
  14. triangles
  15. not needed
  16. a round pillar
  17. a battery cell
  18. sheets of paper
  19. the triangle
  20. triangles
  21. False
  22. more
  23. arches and domes
  24. True
  25. False
  26. False
  27. True
  28. False
  29. False
  30. needed
  31. we keep it the same
  32. turmeric powder
  33. False
  34. False
  35. a ruler
  36. coins it holds
  37. strong bridge
  38. a mirror
  39. tubes
  40. weak bridge

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