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Static Electricity Experiment Worksheet

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

Answer key

  1. True
  2. tiny paper bits
  3. needed
  4. it hardly works
  5. a steel spoon
  6. False
  7. indoors
  8. plug points at home
  9. number of rubs
  10. a brick
  11. False
  12. not needed
  13. False
  14. jumps to the comb
  15. True
  16. we measure it
  17. it has static charge
  18. needed
  19. not needed
  20. yeast
  21. jumps to the comb
  22. the same comb
  23. not needed
  24. we keep it the same
  25. the paper bit size
  26. a mirror
  27. a steel spoon
  28. jumps to the comb
  29. True
  30. turmeric powder
  31. not needed
  32. False
  33. the stream bends
  34. we keep it the same
  35. a thin water stream
  36. needed
  37. does not move
  38. a pebble
  39. dry hair
  40. a balloon

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