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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 885 · 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 kind of paper”? (a) we change it (b) we measure it (c) we keep it the same
  2. 2.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it floats up (b) it turns to card (c) it gets stronger (d) it sags and falls
  3. 3.True or false: coins is needed for the paper bridge. (a) True (b) False
  4. 4.🏗️ Where does a bamboo pole get its strength from? (a) triangles (b) arches and domes (c) tubes
  5. 5.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the star (b) the triangle (c) the heart shape (d) the square
  6. 6.🏗️ Which of these gets its strength from a tube shape? (a) a hollow bird bone (b) a bridge truss (c) a roof frame (d) an eggshell
  7. 7.True or false: a ruler is needed for the paper bridge. (a) True (b) False
  8. 8.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
  9. 9.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
  10. 10.🧺 Which of these is not needed for the paper bridge? (a) a ruler (b) yeast (c) two books (d) coins
  11. 11.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) coins it holds (b) the kind of coins (c) the gap between books (d) where coins are placed
  12. 12.🧺 Do we need turmeric powder for the paper bridge? (a) not needed (b) needed
  13. 13.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is the one thing we change. (a) True (b) False
  14. 14.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) True (b) False
  15. 15.🔍 Which is the odd one out? (a) a torn flat sheet (b) a flat tissue (c) one flat sheet (d) a zigzag-folded sheet
  16. 16.⚖️ 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
  17. 17.🏗️ Where does a hollow bird bone get its strength from? (a) tubes (b) arches and domes (c) triangles
  18. 18.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) a U-shaped channel (c) paper with folded edges (d) a wet flat sheet
  19. 19.True or false: a roof frame gets its strength from a tube shape. (a) False (b) True
  20. 20.True or false: a round pillar gets its strength from a tube shape. (a) True (b) False
  21. 21.True or false: a bridge truss gets its strength from triangles. (a) False (b) True
  22. 22.🏗️ Where does a temple dome get its strength from? (a) arches and domes (b) tubes (c) triangles
  23. 23.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a magnet (b) coins (c) two books (d) sheets of paper
  24. 24.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) the shape of the paper (b) the kind of paper (c) coins it holds
  25. 25.🛟 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
  26. 26.🧺 Which of these is not needed for the paper bridge? (a) coins (b) sheets of paper (c) two books (d) turmeric powder
  27. 27.True or false: an electric tower gets its strength from arches or domes. (a) True (b) False
  28. 28.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) not at all (b) upward (c) less (d) more
  29. 29.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) False (b) True
  30. 30.🔍 Which is the odd one out? (a) a wet flat sheet (b) a torn flat sheet (c) a U-shaped channel (d) one flat sheet
  31. 31.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we change it (b) we keep it the same (c) we measure it
  32. 32.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) strong bridge (b) weak bridge
  33. 33.🌉 Does one flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  34. 34.True or false: yeast is needed for the paper bridge. (a) True (b) False
  35. 35.True or false: an electric tower gets its strength from triangles. (a) True (b) False
  36. 36.🧺 Do we need a battery cell for the paper bridge? (a) not needed (b) needed
  37. 37.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) two books (c) turmeric powder (d) a ruler
  38. 38.True or false: a balloon is needed for the paper bridge. (a) False (b) True
  39. 39.🏗️ Which of these gets its strength from arches or domes? (a) a roof frame (b) a temple dome (c) an electric tower (d) a bamboo pole
  40. 40.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) two books (c) a mirror (d) sheets of paper

Answer key

  1. we keep it the same
  2. it sags and falls
  3. True
  4. tubes
  5. the triangle
  6. a hollow bird bone
  7. True
  8. not needed
  9. needed
  10. yeast
  11. coins it holds
  12. not needed
  13. False
  14. True
  15. a zigzag-folded sheet
  16. True
  17. tubes
  18. a wet flat sheet
  19. False
  20. True
  21. True
  22. arches and domes
  23. a magnet
  24. the kind of paper
  25. low and steady
  26. turmeric powder
  27. False
  28. more
  29. True
  30. a U-shaped channel
  31. we measure it
  32. strong bridge
  33. weak bridge
  34. False
  35. True
  36. not needed
  37. turmeric powder
  38. False
  39. a temple dome
  40. a mirror

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