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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 921 · 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.🌉 Does one flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
  2. 2.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is very hot (b) its curved arch shape (c) it is made of steel (d) it is magnetic
  3. 3.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) two books (c) a balloon (d) coins
  4. 4.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) paper with folded edges (c) a wet flat sheet (d) a U-shaped channel
  5. 5.True or false: a zigzag-folded sheet makes a weak bridge. (a) True (b) False
  6. 6.True or false: a ruler is needed for the paper bridge. (a) True (b) False
  7. 7.True or false: paper with folded edges makes a weak bridge. (a) True (b) False
  8. 8.🏗️ Which of these gets its strength from a tube shape? (a) a roof frame (b) a bridge truss (c) an old stone bridge (d) a bamboo pole
  9. 9.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the gap between books (b) where coins are placed (c) coins it holds (d) the shape of the paper
  10. 10.⚖️ 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 keep it the same (c) we measure it
  11. 11.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a ruler (c) a magnet (d) two books
  12. 12.True or false: an old stone bridge gets its strength from a tube shape. (a) False (b) True
  13. 13.True or false: one flat sheet makes a weak bridge. (a) True (b) False
  14. 14.True or false: a torn flat sheet makes a strong bridge. (a) True (b) False
  15. 15.🔺 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 square (d) the heart shape
  16. 16.True or false: a wet flat sheet makes a weak bridge. (a) False (b) True
  17. 17.⚖️ Fair test — which paper shape holds the most coins? Which of these is kept the same? (a) coins it holds (b) the shape of the paper (c) the kind of paper
  18. 18.⚖️ 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
  19. 19.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) on a stool edge (c) high and wobbly (d) low and steady
  20. 20.🧺 Do we need a balloon for the paper bridge? (a) not needed (b) needed
  21. 21.True or false: a magnet is not needed for the paper bridge. (a) True (b) False
  22. 22.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  23. 23.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  24. 24.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) fewer coins (c) only water (d) the same coins
  25. 25.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
  26. 26.True or false: a round pillar gets its strength from a tube shape. (a) True (b) False
  27. 27.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) the same number of (c) zero (d) more
  28. 28.🧺 Which of these is not needed for the paper bridge? (a) two books (b) a magnet (c) a ruler (d) sheets of paper
  29. 29.True or false: a balloon is needed for the paper bridge. (a) False (b) True
  30. 30.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) two books (c) coins (d) yeast
  31. 31.True or false: an eggshell gets its strength from arches or domes. (a) False (b) True
  32. 32.True or false: yeast is needed for the paper bridge. (a) False (b) True
  33. 33.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) turmeric powder (c) yeast (d) coins
  34. 34.🌉 Does paper with folded edges make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  35. 35.True or false: a zigzag-folded sheet makes a strong bridge. (a) False (b) True
  36. 36.True or false: coins is not needed for the paper bridge. (a) False (b) True
  37. 37.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is the one thing we change. (a) False (b) True
  38. 38.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) turmeric powder (c) yeast (d) sheets of paper
  39. 39.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is kept the same. (a) False (b) True
  40. 40.True or false: a round pillar gets its strength from triangles. (a) True (b) False

Answer key

  1. weak bridge
  2. its curved arch shape
  3. a balloon
  4. a wet flat sheet
  5. False
  6. True
  7. False
  8. a bamboo pole
  9. the shape of the paper
  10. we change it
  11. a magnet
  12. False
  13. True
  14. False
  15. the triangle
  16. True
  17. the kind of paper
  18. we keep it the same
  19. low and steady
  20. not needed
  21. True
  22. strong bridge
  23. weak bridge
  24. fewer coins
  25. weak bridge
  26. True
  27. more
  28. a magnet
  29. False
  30. yeast
  31. True
  32. False
  33. coins
  34. strong bridge
  35. True
  36. False
  37. False
  38. sheets of paper
  39. True
  40. False

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