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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 160 · 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.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
  2. 2.⚖️ 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 change it (c) we keep it the same
  3. 3.True or false: a heavy book jumps to a charged comb. (a) True (b) False
  4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) a balloon (d) a plastic comb
  5. 5.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  6. 6.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) wet hair is magnetic (c) dry days are noisy (d) water adds charge
  7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
  8. 8.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  9. 9.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
  10. 10.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  11. 11.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a brick (d) a thin water stream
  12. 12.⚖️ 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 hair (c) the paper bit size (d) the same comb
  13. 13.🧺 Which of these is not needed for the static comb? (a) dry hair (b) yeast (c) tiny paper bits (d) a plastic comb
  14. 14.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
  15. 15.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
  16. 16.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) turmeric powder (d) yeast
  17. 17.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a brick (c) a heavy book (d) a steel spoon
  18. 18.True or false: a mirror is needed for the static comb. (a) True (b) False
  19. 19.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a steel spoon (d) tiny paper bits
  20. 20.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) thermocol bits (c) a thin water stream (d) puffed rice
  21. 21.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
  22. 22.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) a plastic comb (d) a balloon
  23. 23.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) a thin water stream (d) a steel spoon
  24. 24.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is sticky (d) it is a magnet
  25. 25.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) a brick (d) tiny paper bits
  26. 26.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) the wind (d) a rainbow
  27. 27.True or false: a pebble does not move to a charged comb. (a) True (b) False
  28. 28.True or false: yeast is not needed for the static comb. (a) True (b) False
  29. 29.True or false: vinegar is needed for the static comb. (a) True (b) False
  30. 30.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a mirror (d) a balloon
  31. 31.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  32. 32.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) tiny paper bits (c) a pebble (d) a brick
  33. 33.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
  34. 34.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
  35. 35.True or false: vinegar is not needed for the static comb. (a) False (b) True
  36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a balloon (d) a battery cell
  37. 37.⚖️ 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) paper bits picked up (c) number of rubs (d) distance to the paper
  38. 38.True or false: puffed rice does not move to a charged comb. (a) False (b) True
  39. 39.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  40. 40.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) turmeric powder

Answer key

  1. the stream bends
  2. we change it
  3. False
  4. a magnet
  5. not needed
  6. damp air leaks charge
  7. we keep it the same
  8. does not move
  9. True
  10. needed
  11. a thin water stream
  12. number of rubs
  13. yeast
  14. plug points at home
  15. True
  16. a plastic comb
  17. thermocol bits
  18. False
  19. tiny paper bits
  20. a heavy book
  21. jumps to the comb
  22. a magnet
  23. a steel spoon
  24. it has static charge
  25. a brick
  26. lightning
  27. True
  28. True
  29. False
  30. a mirror
  31. not needed
  32. tiny paper bits
  33. not needed
  34. False
  35. True
  36. a battery cell
  37. paper bits picked up
  38. False
  39. not needed
  40. turmeric powder

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