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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 736 · 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 “coins it holds”? (a) we change it (b) we measure it (c) we keep it the same
  2. 2.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we keep it the same (b) we measure it (c) we change it
  3. 3.🏗️ Where does a bridge truss get its strength from? (a) arches and domes (b) tubes (c) triangles
  4. 4.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
  5. 5.🏗️ Which of these gets its strength from triangles? (a) a round pillar (b) a temple dome (c) a hollow bird bone (d) a bridge truss
  6. 6.🥚 Why is an egg hard to crush when you press on its two ends? (a) it is magnetic (b) it is very hot (c) its curved arch shape (d) it is made of steel
  7. 7.🧺 Which of these is not needed for the paper bridge? (a) a magnet (b) coins (c) a ruler (d) sheets of paper
  8. 8.🛟 How should the two books be placed for the paper bridge? (a) on top of a pet (b) high and wobbly (c) on a stool edge (d) low and steady
  9. 9.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) sheets of paper (c) two books (d) a balloon
  10. 10.🧺 Do we need a magnet for the paper bridge? (a) needed (b) not needed
  11. 11.True or false: a U-shaped channel makes a weak bridge. (a) False (b) True
  12. 12.🧺 Do we need turmeric powder for the paper bridge? (a) needed (b) not needed
  13. 13.🏗️ Where does a bamboo pole get its strength from? (a) arches and domes (b) triangles (c) tubes
  14. 14.🌉 Does rolled paper tubes make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  15. 15.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) more (c) zero (d) the same number of
  16. 16.🏗️ Where does a round pillar get its strength from? (a) arches and domes (b) triangles (c) tubes
  17. 17.True or false: two books is not needed for the paper bridge. (a) True (b) False
  18. 18.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it turns to card (b) it floats up (c) it gets stronger (d) it sags and falls
  19. 19.🏗️ Which of these gets its strength from arches or domes? (a) a round pillar (b) a roof frame (c) a temple dome (d) a bridge truss
  20. 20.🏗️ Which of these gets its strength from a tube shape? (a) a roof frame (b) a bamboo pole (c) a bridge truss (d) an old stone bridge
  21. 21.True or false: a torn flat sheet makes a strong bridge. (a) True (b) False
  22. 22.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) True (b) False
  23. 23.True or false: a roof frame gets its strength from triangles. (a) False (b) True
  24. 24.🧺 Which of these is needed for the paper bridge? (a) sheets of paper (b) a mirror (c) a balloon (d) a battery cell
  25. 25.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) yeast (b) a ruler (c) two books (d) sheets of paper
  26. 26.True or false: yeast is not needed for the paper bridge. (a) True (b) False
  27. 27.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is what we measure. (a) False (b) True
  28. 28.🏗️ Which of these gets its strength from triangles? (a) a temple dome (b) a bamboo pole (c) an old stone bridge (d) an electric tower
  29. 29.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
  30. 30.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) skip washing (b) lick your fingers (c) rub your eyes (d) wash your hands
  31. 31.⚖️ 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
  32. 32.🧺 Do we need a mirror for the paper bridge? (a) not needed (b) needed
  33. 33.True or false: a bridge truss gets its strength from a tube shape. (a) True (b) False
  34. 34.True or false: an electric tower gets its strength from triangles. (a) False (b) True
  35. 35.🧺 Which of these is not needed for the paper bridge? (a) two books (b) a balloon (c) a ruler (d) sheets of paper
  36. 36.True or false: a magnet is needed for the paper bridge. (a) True (b) False
  37. 37.🌉 Does a flat tissue make a strong or a weak bridge? (a) strong bridge (b) weak bridge
  38. 38.True or false: sheets of paper is needed for the paper bridge. (a) True (b) False
  39. 39.🌉 Why does a zigzag-folded sheet hold more coins than a flat one? (a) folds make it stiffer (b) folds add glue (c) folds are magnetic (d) folds make it wet
  40. 40.True or false: turmeric powder is needed for the paper bridge. (a) False (b) True

Answer key

  1. we measure it
  2. we keep it the same
  3. triangles
  4. needed
  5. a bridge truss
  6. its curved arch shape
  7. a magnet
  8. low and steady
  9. a balloon
  10. not needed
  11. False
  12. not needed
  13. tubes
  14. strong bridge
  15. more
  16. tubes
  17. False
  18. it sags and falls
  19. a temple dome
  20. a bamboo pole
  21. False
  22. True
  23. True
  24. sheets of paper
  25. yeast
  26. True
  27. False
  28. an electric tower
  29. needed
  30. wash your hands
  31. False
  32. not needed
  33. False
  34. True
  35. a balloon
  36. False
  37. weak bridge
  38. True
  39. folds make it stiffer
  40. False

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