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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 394 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
  2. 2.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) dry hair (d) a brick
  3. 3.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it works better (d) it lights up
  4. 4.True or false: a heavy book does not move to a charged comb. (a) False (b) True
  5. 5.🧺 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
  6. 6.True or false: a balloon is needed for the static comb. (a) True (b) False
  7. 7.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) yeast (d) a balloon
  8. 8.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  9. 9.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
  10. 10.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky
  11. 11.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  12. 12.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
  13. 13.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
  14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) the paper bit size (c) number of rubs
  15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
  16. 16.True or false: a magnet is not needed for the static comb. (a) True (b) False
  17. 17.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a plastic comb (c) dry hair (d) tiny paper bits
  19. 19.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a magnet (d) dry hair
  20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) tiny paper bits (c) a plastic comb (d) dry hair
  21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs
  22. 22.True or false: a balloon is not needed for the static comb. (a) False (b) True
  23. 23.True or false: yeast is needed for the static comb. (a) True (b) False
  24. 24.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) a heavy book (d) a brick
  25. 25.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) lightning (d) dew
  26. 26.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  27. 27.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  28. 28.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) a heavy book (d) puffed rice
  29. 29.True or false: dry hair jumps to a charged comb. (a) True (b) False
  30. 30.True or false: a brick does not move to a charged comb. (a) True (b) False
  31. 31.🔍 Which is the odd one out? (a) dry hair (b) a pebble (c) puffed rice (d) thermocol bits
  32. 32.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  33. 33.🧺 Which of these is needed for the static comb? (a) a mirror (b) a plastic comb (c) a magnet (d) vinegar
  34. 34.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
  35. 35.True or false: a heavy book jumps to a charged comb. (a) True (b) False
  36. 36.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes
  37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the same comb (c) the paper bit size (d) number of rubs
  38. 38.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a mirror (c) turmeric powder (d) a magnet
  39. 39.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
  40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) dry hair (d) a plastic comb

Answer key

  1. we keep it the same
  2. a brick
  3. it hardly works
  4. True
  5. a battery cell
  6. True
  7. a balloon
  8. not needed
  9. False
  10. it has static charge
  11. needed
  12. it sticks for a while
  13. jumps to the comb
  14. the paper bit size
  15. we keep it the same
  16. True
  17. does not move
  18. a battery cell
  19. a magnet
  20. vinegar
  21. the same hair
  22. False
  23. False
  24. dry hair
  25. lightning
  26. needed
  27. does not move
  28. a heavy book
  29. True
  30. True
  31. a pebble
  32. not needed
  33. a plastic comb
  34. indoors
  35. False
  36. the stream bends
  37. number of rubs
  38. tiny paper bits
  39. needed
  40. yeast

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