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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 102 · 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.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) a brick (d) a heavy book
  2. 2.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) a battery cell (d) dry hair
  3. 3.⚖️ 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
  4. 4.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
  6. 6.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) lightning (d) a rainbow
  7. 7.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) a thin water stream (d) tiny paper bits
  8. 8.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a battery cell
  9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
  10. 10.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a balloon (d) turmeric powder
  11. 11.True or false: a pebble does not move to a charged comb. (a) False (b) True
  12. 12.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) yeast
  13. 13.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  14. 14.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  15. 15.True or false: a mirror is needed for the static comb. (a) True (b) False
  16. 16.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) paper bits picked up (c) number of rubs (d) distance to the paper
  18. 18.True or false: dry hair is needed for the static comb. (a) False (b) True
  19. 19.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  20. 20.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it becomes a magnet (d) it works better
  21. 21.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  22. 22.⚖️ 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
  23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same comb (c) the same hair (d) the paper bit size
  24. 24.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a battery cell (d) a plastic comb
  26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a magnet (d) a balloon
  27. 27.True or false: vinegar is needed for the static comb. (a) True (b) False
  28. 28.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
  29. 29.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) a heavy book (d) a pebble
  30. 30.⚖️ 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
  31. 31.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  32. 32.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) dry hair (d) a brick
  33. 33.True or false: a heavy book jumps to a charged comb. (a) False (b) True
  34. 34.🧺 Which of these is needed for the static comb? (a) a battery cell (b) tiny paper bits (c) a magnet (d) turmeric powder
  35. 35.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) tiny paper bits (d) a pebble
  36. 36.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a thin water stream (d) a steel spoon
  37. 37.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a heavy book (d) a thin water stream
  38. 38.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
  39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) vinegar (d) a plastic comb
  40. 40.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a steel spoon

Answer key

  1. thermocol bits
  2. dry hair
  3. True
  4. not needed
  5. we keep it the same
  6. lightning
  7. a pebble
  8. a battery cell
  9. True
  10. turmeric powder
  11. True
  12. yeast
  13. jumps to the comb
  14. not needed
  15. False
  16. not needed
  17. paper bits picked up
  18. True
  19. needed
  20. it hardly works
  21. needed
  22. True
  23. number of rubs
  24. needed
  25. a battery cell
  26. a magnet
  27. False
  28. not needed
  29. puffed rice
  30. we keep it the same
  31. True
  32. a brick
  33. False
  34. tiny paper bits
  35. tiny paper bits
  36. a thin water stream
  37. a heavy book
  38. True
  39. vinegar
  40. a steel spoon

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