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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 447 · 40 questions
TalentJR

What you do (Rub and charge): 1. Tear a sheet of paper into tiny bits on a table. 2. Comb dry, clean hair quickly 10 times. 3. Hold the comb just above the paper bits and watch. 4. Try again with 20 combs, and count the bits each time.

NameDateTime takenScore ___ / 40
  1. 1.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) yeast
  2. 2.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) in an open field (d) indoors
  3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
  4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
  5. 5.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a brick (d) dry hair
  6. 6.True or false: a battery cell is needed for the static comb. (a) True (b) False
  7. 7.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) dry hair (d) tiny paper bits
  8. 8.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) dry hair (d) yeast
  9. 9.🔍 Which is the odd one out? (a) a pebble (b) a thin water stream (c) a heavy book (d) a steel spoon
  10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
  11. 11.True or false: a balloon is not needed for the static comb. (a) True (b) False
  12. 12.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a brick (d) puffed rice
  13. 13.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it has static charge (d) it is sticky
  14. 14.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) a rainbow (c) the wind (d) dew
  15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) False (b) True
  16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
  17. 17.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  18. 18.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) damp air leaks charge (d) dry days are noisy
  19. 19.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  20. 20.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) tiny paper bits (d) a plastic comb
  22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) the same comb
  23. 23.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) nothing at all (d) the stream bends
  24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
  25. 25.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  26. 26.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a pebble (c) a heavy book (d) a brick
  27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) vinegar
  28. 28.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  29. 29.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  30. 30.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a brick (d) thermocol bits
  31. 31.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) yeast
  32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a mirror (d) tiny paper bits
  33. 33.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) distance to the paper (c) the paper bit size (d) number of rubs
  35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) the same comb (c) number of rubs (d) paper bits picked up
  36. 36.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) a balloon (d) vinegar
  37. 37.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
  38. 38.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
  39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
  40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True

Answer key

  1. yeast
  2. indoors
  3. False
  4. we keep it the same
  5. dry hair
  6. False
  7. a pebble
  8. dry hair
  9. a thin water stream
  10. we change it
  11. False
  12. a brick
  13. it has static charge
  14. lightning
  15. True
  16. False
  17. needed
  18. damp air leaks charge
  19. not needed
  20. jumps to the comb
  21. turmeric powder
  22. the same comb
  23. the stream bends
  24. we keep it the same
  25. not needed
  26. puffed rice
  27. vinegar
  28. needed
  29. False
  30. thermocol bits
  31. yeast
  32. a mirror
  33. jumps to the comb
  34. number of rubs
  35. paper bits picked up
  36. a balloon
  37. jumps to the comb
  38. False
  39. we measure it
  40. True

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