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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 766 · 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.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  2. 2.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  3. 3.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  4. 4.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
  5. 5.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) dry hair (d) yeast
  6. 6.True or false: a battery cell is needed for the static comb. (a) True (b) False
  7. 7.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it falls straight down (d) it sticks for a while
  8. 8.⚖️ 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) the same hair (c) paper bits picked up
  9. 9.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) a thin water stream (d) thermocol bits
  10. 10.⚡ Which of these does not move to a charged comb? (a) a pebble (b) tiny paper bits (c) puffed rice (d) thermocol bits
  11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) number of rubs (c) paper bits picked up
  12. 12.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  13. 13.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  14. 14.⚖️ 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) paper bits picked up (c) the same comb (d) number of rubs
  15. 15.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
  16. 16.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
  17. 17.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) dry hair (d) a pebble
  18. 18.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is sticky (c) it is a magnet (d) it is hot
  19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) number of rubs (c) paper bits picked up
  20. 20.True or false: vinegar is not needed for the static comb. (a) True (b) False
  21. 21.True or false: a balloon is not needed for the static comb. (a) False (b) True
  22. 22.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it works better (d) it becomes a magnet
  23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
  24. 24.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) wet hair is magnetic (d) dry days are noisy
  25. 25.True or false: a brick jumps to a charged comb. (a) False (b) True
  26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
  27. 27.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  28. 28.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) thermocol bits (d) a heavy book
  29. 29.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) a heavy book (d) a steel spoon
  30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) a balloon (d) a plastic comb
  31. 31.True or false: puffed rice does not move to a charged comb. (a) True (b) False
  32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) tiny paper bits (d) a plastic comb
  33. 33.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  34. 34.True or false: dry hair jumps to a charged comb. (a) False (b) True
  35. 35.⚖️ 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) False (b) True
  36. 36.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
  37. 37.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  38. 38.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  39. 39.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) a brick (d) a heavy book
  40. 40.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move

Answer key

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

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