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Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 851 · 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.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) more (b) less (c) upward (d) not at all
  2. 2.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a magnet (b) sheets of paper (c) coins (d) two books
  3. 3.🌉 Which of these makes a strong bridge? (a) a flat tissue (b) a torn flat sheet (c) a wet flat sheet (d) rolled paper tubes
  4. 4.🧺 Do we need two books for the paper bridge? (a) needed (b) not needed
  5. 5.⚖️ 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) the gap between books
  6. 6.⚖️ 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
  7. 7.🧺 Do we need yeast for the paper bridge? (a) needed (b) not needed
  8. 8.🌉 Which of these makes a weak bridge? (a) a torn flat sheet (b) paper with folded edges (c) rolled paper tubes (d) a zigzag-folded sheet
  9. 9.🌉 Does a flat tissue make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  10. 10.True or false: rolled paper tubes makes a weak bridge. (a) False (b) True
  11. 11.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the gap between books (b) coins it holds (c) the shape of the paper (d) the kind of coins
  12. 12.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
  13. 13.True or false: a zigzag-folded sheet makes a strong bridge. (a) True (b) False
  14. 14.🧺 Which of these is not needed for the paper bridge? (a) two books (b) sheets of paper (c) a magnet (d) a ruler
  15. 15.🏗️ Where does an electric tower get its strength from? (a) arches and domes (b) tubes (c) triangles
  16. 16.True or false: coins is needed for the paper bridge. (a) True (b) False
  17. 17.🛟 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
  18. 18.True or false: an old stone bridge gets its strength from arches or domes. (a) False (b) True
  19. 19.🌉 Does a torn flat sheet make a strong or a weak bridge? (a) strong bridge (b) weak bridge
  20. 20.🧺 Do we need a battery cell for the paper bridge? (a) not needed (b) needed
  21. 21.🏗️ Where does a bridge truss get its strength from? (a) tubes (b) triangles (c) arches and domes
  22. 22.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of paper”? (a) we keep it the same (b) we change it (c) we measure it
  23. 23.🏗️ Where does a roof frame get its strength from? (a) triangles (b) tubes (c) arches and domes
  24. 24.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) False (b) True
  25. 25.🧺 Do we need sheets of paper for the paper bridge? (a) not needed (b) needed
  26. 26.True or false: an electric tower gets its strength from triangles. (a) True (b) False
  27. 27.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) fewer (b) zero (c) more (d) the same number of
  28. 28.True or false: two books is needed for the paper bridge. (a) False (b) True
  29. 29.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is what we measure. (a) True (b) False
  30. 30.True or false: a battery cell is not needed for the paper bridge. (a) True (b) False
  31. 31.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) weak bridge (b) strong bridge
  32. 32.⚖️ Fair test — which paper shape holds the most coins? True or false: coins it holds is what we measure. (a) True (b) False
  33. 33.🧺 Which of these is needed for the paper bridge? (a) a balloon (b) a ruler (c) yeast (d) a magnet
  34. 34.⚖️ Fair test — which paper shape holds the most coins? What do we do with “the kind of coins”? (a) we measure it (b) we keep it the same (c) we change it
  35. 35.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) more coins (b) the same coins (c) only water (d) fewer coins
  36. 36.True or false: paper with folded edges makes a strong bridge. (a) True (b) False
  37. 37.⚖️ Fair test — which paper shape holds the most coins? True or false: the gap between books is the one thing we change. (a) True (b) False
  38. 38.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) coins (b) a balloon (c) a ruler (d) sheets of paper
  39. 39.🧺 Which of these is not needed for the paper bridge? (a) a battery cell (b) two books (c) a ruler (d) sheets of paper
  40. 40.🔍 What happens to a flat paper bridge with just a few coins on it? (a) it floats up (b) it sags and falls (c) it gets stronger (d) it turns to card

Answer key

  1. more
  2. a magnet
  3. rolled paper tubes
  4. needed
  5. the gap between books
  6. we measure it
  7. not needed
  8. a torn flat sheet
  9. weak bridge
  10. False
  11. coins it holds
  12. needed
  13. True
  14. a magnet
  15. triangles
  16. True
  17. low and steady
  18. True
  19. weak bridge
  20. not needed
  21. triangles
  22. we keep it the same
  23. triangles
  24. True
  25. needed
  26. True
  27. more
  28. True
  29. False
  30. True
  31. strong bridge
  32. True
  33. a ruler
  34. we keep it the same
  35. fewer coins
  36. True
  37. False
  38. a balloon
  39. a battery cell
  40. it sags and falls

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