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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 39 · 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.⚖️ 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
  2. 2.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) the same number of (b) more (c) fewer (d) zero
  3. 3.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) two books (b) turmeric powder (c) sheets of paper (d) coins
  4. 4.🌉 Which of these makes a weak bridge? (a) rolled paper tubes (b) a flat tissue (c) paper with folded edges (d) a U-shaped channel
  5. 5.🧺 Which of these is not needed for the paper bridge? (a) sheets of paper (b) coins (c) two books (d) a battery cell
  6. 6.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) coins it holds (b) the kind of coins (c) the shape of the paper (d) the kind of paper
  7. 7.🧺 Do we need a balloon for the paper bridge? (a) not needed (b) needed
  8. 8.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) strong bridge (b) weak bridge
  9. 9.🏗️ Which of these gets its strength from triangles? (a) a roof frame (b) a hollow bird bone (c) an eggshell (d) a round pillar
  10. 10.🏗️ Which of these gets its strength from triangles? (a) a hollow bird bone (b) a bamboo pole (c) a temple dome (d) an electric tower
  11. 11.🔮 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
  12. 12.🧺 Do we need a battery cell for the paper bridge? (a) not needed (b) needed
  13. 13.True or false: an old stone bridge gets its strength from a tube shape. (a) False (b) True
  14. 14.True or false: a magnet is not needed for the paper bridge. (a) True (b) False
  15. 15.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  16. 16.True or false: a balloon is not needed for the paper bridge. (a) False (b) True
  17. 17.🌉 Which of these makes a strong bridge? (a) one flat sheet (b) a wet flat sheet (c) a torn flat sheet (d) rolled paper tubes
  18. 18.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
  19. 19.🏗️ Where does a hollow bird bone get its strength from? (a) triangles (b) tubes (c) arches and domes
  20. 20.🛟 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
  21. 21.🧺 Do we need two books for the paper bridge? (a) not needed (b) needed
  22. 22.True or false: a battery cell is not needed for the paper bridge. (a) True (b) False
  23. 23.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we keep it the same (b) we measure it (c) we change it
  24. 24.🏗️ Which of these gets its strength from arches or domes? (a) a bridge truss (b) an electric tower (c) a round pillar (d) a temple dome
  25. 25.True or false: two books is needed for the paper bridge. (a) True (b) False
  26. 26.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) lick your fingers (b) rub your eyes (c) skip washing (d) wash your hands
  27. 27.🧺 Which of these is needed for the paper bridge? (a) a battery cell (b) a mirror (c) turmeric powder (d) coins
  28. 28.🌉 Does a zigzag-folded sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  29. 29.🔍 Which is the odd one out? (a) a torn flat sheet (b) a wet flat sheet (c) one flat sheet (d) paper with folded edges
  30. 30.🧺 Which of these is needed for the paper bridge? (a) turmeric powder (b) a magnet (c) sheets of paper (d) a mirror
  31. 31.⚖️ 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
  32. 32.True or false: a bamboo pole gets its strength from a tube shape. (a) False (b) True
  33. 33.True or false: a torn flat sheet makes a weak bridge. (a) True (b) False
  34. 34.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) the same coins (c) fewer coins (d) only water
  35. 35.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a balloon (c) two books (d) sheets of paper
  36. 36.🌉 Does one flat sheet make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  37. 37.True or false: turmeric powder is needed for the paper bridge. (a) True (b) False
  38. 38.🧺 Do we need yeast for the paper bridge? (a) not needed (b) needed
  39. 39.🧺 Do we need coins for the paper bridge? (a) not needed (b) needed
  40. 40.⚖️ Fair test — which paper shape holds the most coins? True or false: the shape of the paper is kept the same. (a) False (b) True

Answer key

  1. we change it
  2. more
  3. turmeric powder
  4. a flat tissue
  5. a battery cell
  6. the shape of the paper
  7. not needed
  8. strong bridge
  9. a roof frame
  10. an electric tower
  11. more
  12. not needed
  13. False
  14. True
  15. weak bridge
  16. True
  17. rolled paper tubes
  18. not needed
  19. tubes
  20. low and steady
  21. needed
  22. True
  23. we measure it
  24. a temple dome
  25. True
  26. wash your hands
  27. coins
  28. strong bridge
  29. paper with folded edges
  30. sheets of paper
  31. False
  32. True
  33. True
  34. fewer coins
  35. a balloon
  36. weak bridge
  37. False
  38. not needed
  39. needed
  40. False

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