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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 687 · 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.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
  2. 2.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
  3. 3.True or false: an eggshell gets its strength from a tube shape. (a) True (b) False
  4. 4.🏗️ Which of these gets its strength from arches or domes? (a) a bamboo pole (b) a bridge truss (c) an electric tower (d) an old stone bridge
  5. 5.True or false: one flat sheet makes a strong bridge. (a) True (b) False
  6. 6.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) one flat sheet (c) paper with folded edges (d) a wet flat sheet
  7. 7.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds make it stiffer (b) folds add glue (c) folds make it wet (d) folds are magnetic
  8. 8.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) zero (c) fewer (d) more
  9. 9.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) True (b) False
  10. 10.🧺 Do we need a balloon for the paper bridge? (a) not needed (b) needed
  11. 11.True or false: a flat tissue makes a strong bridge. (a) False (b) True
  12. 12.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) a mirror (c) turmeric powder (d) two books
  13. 13.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
  14. 14.⚖️ 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
  15. 15.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is magnetic (b) its curved arch shape (c) it is made of steel (d) it is very hot
  16. 16.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is kept the same. (a) True (b) False
  17. 17.🏗️ Where does a bridge truss get its strength from? (a) arches and domes (b) tubes (c) triangles
  18. 18.🌉 Which of these makes a weak bridge? (a) a wet flat sheet (b) rolled paper tubes (c) a U-shaped channel (d) paper with folded edges
  19. 19.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) wash your hands (b) skip washing (c) rub your eyes (d) lick your fingers
  20. 20.🔍 Which is the odd one out? (a) rolled paper tubes (b) a zigzag-folded sheet (c) a U-shaped channel (d) a flat tissue
  21. 21.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) not at all (b) upward (c) more (d) less
  22. 22.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  23. 23.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) low and steady (c) high and wobbly (d) on a stool edge
  24. 24.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) yeast (c) a balloon (d) sheets of paper
  25. 25.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) a ruler (c) coins (d) a balloon
  26. 26.🌉 Which of these makes a strong bridge? (a) a torn flat sheet (b) a flat tissue (c) a U-shaped channel (d) one flat sheet
  27. 27.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) a mirror (c) a balloon (d) a ruler
  28. 28.True or false: a roof frame gets its strength from arches or domes. (a) True (b) False
  29. 29.True or false: a mirror is needed for the paper bridge. (a) False (b) True
  30. 30.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) coins (c) a magnet (d) a ruler
  31. 31.🧺 Which of these is not needed for the paper bridge? (a) coins (b) turmeric powder (c) a ruler (d) two books
  32. 32.True or false: a bamboo pole gets its strength from arches or domes. (a) False (b) True
  33. 33.True or false: a U-shaped channel makes a weak bridge. (a) False (b) True
  34. 34.True or false: an eggshell gets its strength from arches or domes. (a) False (b) True
  35. 35.True or false: a round pillar gets its strength from triangles. (a) True (b) False
  36. 36.True or false: a mirror is not needed for the paper bridge. (a) False (b) True
  37. 37.🌉 Does a wet flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  38. 38.🏗️ Which of these gets its strength from triangles? (a) an eggshell (b) a bridge truss (c) a bamboo pole (d) a temple dome
  39. 39.🔍 Which is the odd one out? (a) a U-shaped channel (b) paper with folded edges (c) one flat sheet (d) a zigzag-folded sheet
  40. 40.True or false: a balloon is needed for the paper bridge. (a) False (b) True

Answer key

  1. needed
  2. needed
  3. False
  4. an old stone bridge
  5. False
  6. paper with folded edges
  7. folds make it stiffer
  8. more
  9. True
  10. not needed
  11. False
  12. two books
  13. needed
  14. False
  15. its curved arch shape
  16. False
  17. triangles
  18. a wet flat sheet
  19. wash your hands
  20. a flat tissue
  21. more
  22. weak bridge
  23. low and steady
  24. sheets of paper
  25. a balloon
  26. a U-shaped channel
  27. a ruler
  28. False
  29. False
  30. a magnet
  31. turmeric powder
  32. False
  33. False
  34. True
  35. False
  36. True
  37. weak bridge
  38. a bridge truss
  39. one flat sheet
  40. False

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