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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 945 · 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.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds make it stiffer (b) folds are magnetic (c) folds add glue (d) folds make it wet
  2. 2.🏗️ Where does an electric tower get its strength from? (a) triangles (b) arches and domes (c) tubes
  3. 3.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
  4. 4.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  5. 5.🏗️ Where does a temple dome get its strength from? (a) arches and domes (b) tubes (c) triangles
  6. 6.🧺 Do we need a mirror for the paper bridge? (a) not needed (b) needed
  7. 7.True or false: a bamboo pole gets its strength from a tube shape. (a) False (b) True
  8. 8.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) more (c) the same number of (d) fewer
  9. 9.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) a balloon (c) coins (d) a ruler
  10. 10.🧺 Do we need turmeric powder for the paper bridge? (a) not needed (b) needed
  11. 11.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
  12. 12.🏗️ Which of these gets its strength from arches or domes? (a) a roof frame (b) a round pillar (c) an old stone bridge (d) a hollow bird bone
  13. 13.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is what we measure. (a) True (b) False
  14. 14.🛟 How should the two books be placed for the paper bridge? (a) on a stool edge (b) low and steady (c) on top of a pet (d) high and wobbly
  15. 15.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a ruler (c) a mirror (d) coins
  16. 16.🏗️ Where does a round pillar get its strength from? (a) tubes (b) triangles (c) arches and domes
  17. 17.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the triangle (b) the heart shape (c) the square (d) the star
  18. 18.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) upward (c) more (d) not at all
  19. 19.🧺 Which of these is needed for the paper bridge? (a) a mirror (b) sheets of paper (c) a magnet (d) a battery cell
  20. 20.True or false: a battery cell is not needed for the paper bridge. (a) False (b) True
  21. 21.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) a ruler (d) a magnet
  22. 22.True or false: coins is needed for the paper bridge. (a) False (b) True
  23. 23.True or false: paper with folded edges makes a strong bridge. (a) True (b) False
  24. 24.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is the one thing we change. (a) True (b) False
  25. 25.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) a battery cell (c) a balloon (d) coins
  26. 26.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the shape of the paper (b) coins it holds (c) where coins are placed
  27. 27.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) False (b) True
  28. 28.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the gap between books (b) the shape of the paper (c) coins it holds
  29. 29.⚖️ 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) coins it holds (d) where coins are placed
  30. 30.🧺 Do we need yeast for the paper bridge? (a) not needed (b) needed
  31. 31.True or false: a wet flat sheet makes a weak bridge. (a) True (b) False
  32. 32.🔍 Which is the odd one out? (a) a wet flat sheet (b) rolled paper tubes (c) a U-shaped channel (d) a zigzag-folded sheet
  33. 33.True or false: a round pillar gets its strength from triangles. (a) True (b) False
  34. 34.True or false: a magnet is needed for the paper bridge. (a) False (b) True
  35. 35.🏗️ Which of these gets its strength from arches or domes? (a) an eggshell (b) a round pillar (c) a bamboo pole (d) a roof frame
  36. 36.🏗️ Which of these gets its strength from a tube shape? (a) an eggshell (b) an old stone bridge (c) a temple dome (d) a round pillar
  37. 37.True or false: yeast is not needed for the paper bridge. (a) True (b) False
  38. 38.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is the one thing we change. (a) False (b) True
  39. 39.🔍 Which is the odd one out? (a) one flat sheet (b) a zigzag-folded sheet (c) paper with folded edges (d) rolled paper tubes
  40. 40.🔍 Which is the odd one out? (a) a wet flat sheet (b) rolled paper tubes (c) one flat sheet (d) a flat tissue

Answer key

  1. folds make it stiffer
  2. triangles
  3. needed
  4. strong bridge
  5. arches and domes
  6. not needed
  7. True
  8. more
  9. a balloon
  10. not needed
  11. needed
  12. an old stone bridge
  13. False
  14. low and steady
  15. a mirror
  16. tubes
  17. the triangle
  18. more
  19. sheets of paper
  20. True
  21. a magnet
  22. True
  23. True
  24. False
  25. coins
  26. where coins are placed
  27. False
  28. the gap between books
  29. coins it holds
  30. not needed
  31. True
  32. a wet flat sheet
  33. False
  34. False
  35. an eggshell
  36. a round pillar
  37. True
  38. True
  39. one flat sheet
  40. rolled paper tubes

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