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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 546 · 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) dry hair (b) tiny paper bits (c) puffed rice (d) a heavy book
  2. 2.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) tiny paper bits (d) a steel spoon
  3. 3.True or false: dry hair is needed for the static comb. (a) True (b) False
  4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed plastic comb (d) a rubbed balloon
  5. 5.🧺 Which of these is needed for the static comb? (a) a magnet (b) dry hair (c) a mirror (d) a battery cell
  6. 6.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  7. 7.True or false: a brick jumps to a charged comb. (a) True (b) False
  8. 8.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
  9. 9.True or false: dry hair does not move to a charged comb. (a) False (b) True
  10. 10.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  11. 11.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) tiny paper bits (d) dry hair
  12. 12.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) puffed rice (d) a pebble
  13. 13.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
  14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) yeast (d) tiny paper bits
  15. 15.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a mirror (c) a battery cell (d) yeast
  16. 16.True or false: dry hair is not needed for the static comb. (a) True (b) False
  17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) vinegar (d) a balloon
  18. 18.True or false: a mirror is not needed for the static comb. (a) False (b) True
  19. 19.True or false: a heavy book jumps to a charged comb. (a) True (b) False
  20. 20.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  21. 21.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it bursts at once (d) it turns into water
  22. 22.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  23. 23.True or false: yeast is not needed for the static comb. (a) False (b) True
  24. 24.⚖️ 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 comb (b) distance to the paper (c) paper bits picked up (d) number of rubs
  25. 25.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a magnet (d) tiny paper bits
  26. 26.True or false: a magnet is not needed for the static comb. (a) False (b) True
  27. 27.True or false: turmeric powder is needed for the static comb. (a) True (b) False
  28. 28.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
  29. 29.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  30. 30.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  31. 31.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) water adds charge (d) damp air leaks charge
  32. 32.True or false: dry hair jumps to a charged comb. (a) False (b) True
  33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
  34. 34.⚖️ 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 paper bit size
  35. 35.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  36. 36.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
  37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
  38. 38.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  39. 39.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) puffed rice (d) a thin water stream
  40. 40.True or false: a steel spoon does not move to a charged comb. (a) True (b) False

Answer key

  1. a heavy book
  2. a steel spoon
  3. True
  4. plug points at home
  5. dry hair
  6. False
  7. False
  8. does not move
  9. False
  10. not needed
  11. a steel spoon
  12. puffed rice
  13. indoors
  14. yeast
  15. tiny paper bits
  16. False
  17. vinegar
  18. True
  19. False
  20. needed
  21. it sticks for a while
  22. needed
  23. True
  24. number of rubs
  25. a magnet
  26. True
  27. False
  28. not needed
  29. does not move
  30. does not move
  31. damp air leaks charge
  32. True
  33. we keep it the same
  34. the paper bit size
  35. not needed
  36. it hardly works
  37. we change it
  38. not needed
  39. a pebble
  40. True

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