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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 126 · 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) rolled paper tubes (b) a zigzag-folded sheet (c) a flat tissue (d) paper with folded edges
  2. 2.🏗️ Where does a bamboo pole get its strength from? (a) arches and domes (b) tubes (c) triangles
  3. 3.True or false: a torn flat sheet makes a strong bridge. (a) False (b) True
  4. 4.🔍 Which is the odd one out? (a) paper with folded edges (b) a wet flat sheet (c) a torn flat sheet (d) one flat sheet
  5. 5.🌉 Does paper with folded edges make a strong or a weak bridge? (a) strong bridge (b) weak bridge
  6. 6.🔍 Which is the odd one out? (a) a flat tissue (b) a torn flat sheet (c) a U-shaped channel (d) one flat sheet
  7. 7.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we keep it the same (b) we measure it (c) we change it
  8. 8.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
  9. 9.True or false: a ruler is not needed for the paper bridge. (a) False (b) True
  10. 10.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) yeast (d) sheets of paper
  11. 11.⚖️ 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
  12. 12.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a mirror (b) coins (c) sheets of paper (d) a ruler
  13. 13.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) True (b) False
  14. 14.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is kept the same. (a) True (b) False
  15. 15.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it gets stronger (b) it floats up (c) it turns to card (d) it sags and falls
  16. 16.🏗️ Which of these gets its strength from a tube shape? (a) an eggshell (b) an old stone bridge (c) a roof frame (d) a round pillar
  17. 17.🏗️ Which of these gets its strength from triangles? (a) a roof frame (b) an eggshell (c) an old stone bridge (d) a round pillar
  18. 18.🏗️ Which of these gets its strength from arches or domes? (a) an electric tower (b) a bamboo pole (c) an eggshell (d) a roof frame
  19. 19.True or false: a magnet is not needed for the paper bridge. (a) False (b) True
  20. 20.🏗️ Where does an eggshell get its strength from? (a) arches and domes (b) tubes (c) triangles
  21. 21.🌉 Does one flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  22. 22.True or false: a battery cell is not needed for the paper bridge. (a) False (b) True
  23. 23.🧺 Do we need a balloon for the paper bridge? (a) needed (b) not needed
  24. 24.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) a ruler (c) coins (d) a magnet
  25. 25.True or false: a magnet is needed for the paper bridge. (a) False (b) True
  26. 26.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we keep it the same (b) we change it (c) we measure it
  27. 27.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) rub your eyes (b) lick your fingers (c) skip washing (d) wash your hands
  28. 28.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
  29. 29.True or false: a bridge truss gets its strength from triangles. (a) False (b) True
  30. 30.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) paper with folded edges (c) a torn flat sheet (d) one flat sheet
  31. 31.🌉 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
  32. 32.🌉 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
  33. 33.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the star (b) the square (c) the heart shape (d) the triangle
  34. 34.True or false: a roof frame gets its strength from triangles. (a) False (b) True
  35. 35.True or false: a U-shaped channel makes a strong bridge. (a) False (b) True
  36. 36.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
  37. 37.True or false: a flat tissue makes a weak bridge. (a) False (b) True
  38. 38.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is the one thing we change. (a) True (b) False
  39. 39.🧺 Do we need yeast for the paper bridge? (a) needed (b) not needed
  40. 40.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed

Answer key

  1. a flat tissue
  2. tubes
  3. False
  4. paper with folded edges
  5. strong bridge
  6. a U-shaped channel
  7. we keep it the same
  8. weak bridge
  9. False
  10. yeast
  11. True
  12. a mirror
  13. True
  14. True
  15. it sags and falls
  16. a round pillar
  17. a roof frame
  18. an eggshell
  19. True
  20. arches and domes
  21. weak bridge
  22. True
  23. not needed
  24. a magnet
  25. False
  26. we keep it the same
  27. wash your hands
  28. not needed
  29. True
  30. paper with folded edges
  31. folds make it stiffer
  32. a wet flat sheet
  33. the triangle
  34. True
  35. True
  36. needed
  37. True
  38. False
  39. not needed
  40. needed

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