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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 48 · 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.🏗️ Where does a bamboo pole get its strength from? (a) triangles (b) arches and domes (c) tubes
  2. 2.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is what we measure. (a) False (b) True
  3. 3.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we measure it (b) we keep it the same (c) we change it
  4. 4.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the shape of the paper”? (a) we change it (b) we measure it (c) we keep it the same
  5. 5.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) a mirror (c) a balloon (d) a ruler
  6. 6.🔍 Which is the odd one out? (a) a zigzag-folded sheet (b) one flat sheet (c) paper with folded edges (d) rolled paper tubes
  7. 7.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) zero (c) the same number of (d) more
  8. 8.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) True (b) False
  9. 9.True or false: a wet flat sheet makes a strong bridge. (a) True (b) False
  10. 10.True or false: rolled paper tubes makes a weak bridge. (a) True (b) False
  11. 11.🧺 Do we need a mirror for the paper bridge? (a) needed (b) not needed
  12. 12.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is the one thing we change. (a) False (b) True
  13. 13.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) coins it holds (b) where coins are placed (c) the shape of the paper
  14. 14.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is the one thing we change. (a) False (b) True
  15. 15.🥚 Why is an egg hard to crush when you press on its two ends? (a) its curved arch shape (b) it is made of steel (c) it is very hot (d) it is magnetic
  16. 16.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is kept the same. (a) False (b) True
  17. 17.True or false: rolled paper tubes makes a strong bridge. (a) False (b) True
  18. 18.🏗️ Where does a bridge truss get its strength from? (a) tubes (b) arches and domes (c) triangles
  19. 19.True or false: a ruler is needed for the paper bridge. (a) False (b) True
  20. 20.True or false: a hollow bird bone gets its strength from a tube shape. (a) False (b) True
  21. 21.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
  22. 22.🏗️ Where does a roof frame get its strength from? (a) triangles (b) arches and domes (c) tubes
  23. 23.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a magnet (c) two books (d) a ruler
  24. 24.True or false: sheets of paper is needed for the paper bridge. (a) True (b) False
  25. 25.🏗️ Which of these gets its strength from triangles? (a) a bamboo pole (b) a bridge truss (c) an eggshell (d) a round pillar
  26. 26.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
  27. 27.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) the same coins (c) more coins (d) fewer coins
  28. 28.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds make it wet (b) folds add glue (c) folds are magnetic (d) folds make it stiffer
  29. 29.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
  30. 30.🧺 Which of these is needed for the paper bridge? (a) a mirror (b) a magnet (c) sheets of paper (d) a balloon
  31. 31.True or false: a torn flat sheet makes a strong bridge. (a) True (b) False
  32. 32.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) a magnet (c) yeast (d) two books
  33. 33.True or false: one flat sheet makes a strong bridge. (a) True (b) False
  34. 34.True or false: paper with folded edges makes a strong bridge. (a) True (b) False
  35. 35.True or false: an eggshell gets its strength from arches or domes. (a) True (b) False
  36. 36.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) turmeric powder (c) two books (d) a ruler
  37. 37.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the square (b) the star (c) the triangle (d) the heart shape
  38. 38.🧺 Which of these is not needed for the paper bridge? (a) coins (b) sheets of paper (c) a magnet (d) a ruler
  39. 39.🏗️ Which of these gets its strength from triangles? (a) an old stone bridge (b) a hollow bird bone (c) a round pillar (d) a roof frame
  40. 40.🏗️ Which of these gets its strength from a tube shape? (a) a roof frame (b) an eggshell (c) a temple dome (d) a round pillar

Answer key

  1. tubes
  2. False
  3. we keep it the same
  4. we change it
  5. a ruler
  6. one flat sheet
  7. more
  8. True
  9. False
  10. False
  11. not needed
  12. False
  13. where coins are placed
  14. False
  15. its curved arch shape
  16. False
  17. True
  18. triangles
  19. True
  20. True
  21. weak bridge
  22. triangles
  23. a magnet
  24. True
  25. a bridge truss
  26. not needed
  27. fewer coins
  28. folds make it stiffer
  29. strong bridge
  30. sheets of paper
  31. False
  32. two books
  33. False
  34. True
  35. True
  36. turmeric powder
  37. the triangle
  38. a magnet
  39. a roof frame
  40. a round pillar

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