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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 528 · 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 is an egg hard to crush when you press on its two ends? (a) it is made of steel (b) it is very hot (c) its curved arch shape (d) it is magnetic
  2. 2.True or false: paper with folded edges makes a weak bridge. (a) False (b) True
  3. 3.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we measure it (b) we change it (c) we keep it the same
  4. 4.🏗️ Where does a temple dome get its strength from? (a) triangles (b) tubes (c) arches and domes
  5. 5.🧺 Which of these is needed for the paper bridge? (a) a magnet (b) a ruler (c) a battery cell (d) turmeric powder
  6. 6.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the heart shape (b) the triangle (c) the square (d) the star
  7. 7.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the gap between books”? (a) we measure it (b) we change it (c) we keep it the same
  8. 8.True or false: an eggshell gets its strength from a tube shape. (a) False (b) True
  9. 9.⚖️ 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
  10. 10.🔍 Which is the odd one out? (a) a flat tissue (b) one flat sheet (c) a wet flat sheet (d) a U-shaped channel
  11. 11.🧺 Which of these is needed for the paper bridge? (a) coins (b) a mirror (c) a balloon (d) a battery cell
  12. 12.🧺 Which of these is not needed for the paper bridge? (a) two books (b) a ruler (c) turmeric powder (d) sheets of paper
  13. 13.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) a wet flat sheet (c) a flat tissue (d) a U-shaped channel
  14. 14.True or false: yeast is not needed for the paper bridge. (a) False (b) True
  15. 15.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is the one thing we change. (a) True (b) False
  16. 16.🧺 Do we need a mirror for the paper bridge? (a) not needed (b) needed
  17. 17.🌉 Which of these makes a strong bridge? (a) a wet flat sheet (b) a flat tissue (c) one flat sheet (d) paper with folded edges
  18. 18.🧺 Do we need turmeric powder for the paper bridge? (a) not needed (b) needed
  19. 19.🛟 How should the two books be placed for the paper bridge? (a) on a stool edge (b) on top of a pet (c) low and steady (d) high and wobbly
  20. 20.🔍 Which is the odd one out? (a) one flat sheet (b) a wet flat sheet (c) a zigzag-folded sheet (d) a torn flat sheet
  21. 21.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) sheets of paper (c) a balloon (d) a mirror
  22. 22.🧺 Which of these is not needed for the paper bridge? (a) two books (b) sheets of paper (c) coins (d) a battery cell
  23. 23.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
  24. 24.True or false: a torn flat sheet makes a weak bridge. (a) True (b) False
  25. 25.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) more (b) the same number of (c) zero (d) fewer
  26. 26.True or false: a temple dome gets its strength from arches or domes. (a) True (b) False
  27. 27.🌉 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 stiffer (d) folds make it wet
  28. 28.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) more (b) not at all (c) less (d) upward
  29. 29.🌉 Does a flat tissue make a strong or a weak bridge? (a) strong bridge (b) weak bridge
  30. 30.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) the shape of the paper (b) the kind of paper (c) the gap between books (d) coins it holds
  31. 31.True or false: two books is needed for the paper bridge. (a) False (b) True
  32. 32.True or false: a balloon is needed for the paper bridge. (a) False (b) True
  33. 33.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  34. 34.True or false: a U-shaped channel makes a weak bridge. (a) False (b) True
  35. 35.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a ruler (c) sheets of paper (d) a balloon
  36. 36.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is the one thing we change. (a) True (b) False
  37. 37.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) two books (c) yeast (d) a mirror
  38. 38.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
  39. 39.True or false: a round pillar gets its strength from a tube shape. (a) False (b) True
  40. 40.🏗️ Where does an electric tower get its strength from? (a) arches and domes (b) triangles (c) tubes

Answer key

  1. its curved arch shape
  2. False
  3. we measure it
  4. arches and domes
  5. a ruler
  6. the triangle
  7. we keep it the same
  8. False
  9. where coins are placed
  10. a U-shaped channel
  11. coins
  12. turmeric powder
  13. a U-shaped channel
  14. True
  15. True
  16. not needed
  17. paper with folded edges
  18. not needed
  19. low and steady
  20. a zigzag-folded sheet
  21. sheets of paper
  22. a battery cell
  23. needed
  24. True
  25. more
  26. True
  27. folds make it stiffer
  28. more
  29. weak bridge
  30. the shape of the paper
  31. True
  32. False
  33. weak bridge
  34. False
  35. a balloon
  36. False
  37. two books
  38. not needed
  39. True
  40. triangles

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