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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 789 · 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: a brick jumps to a charged comb. (a) True (b) False
  2. 2.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) on a rooftop (d) in an open field
  3. 3.True or false: a magnet is needed for the static comb. (a) False (b) True
  4. 4.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) puffed rice (c) tiny paper bits (d) thermocol bits
  5. 5.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a thin water stream (c) a pebble (d) a steel spoon
  6. 6.⚖️ 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 same hair (c) number of rubs
  7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) a plastic comb (d) tiny paper bits
  8. 8.⚖️ 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 keep it the same (c) we measure it
  9. 9.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  10. 10.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  11. 11.🧺 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 mirror
  12. 12.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) a heavy book (d) tiny paper bits
  13. 13.⚖️ 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
  14. 14.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) thermocol bits (d) a brick
  15. 15.⚖️ 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) distance to the paper (c) paper bits picked up
  16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
  17. 17.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) a balloon (d) yeast
  18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
  19. 19.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
  20. 20.🛟 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
  21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) dry hair (d) tiny paper bits
  22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
  23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a magnet
  24. 24.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
  25. 25.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
  26. 26.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  27. 27.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) thermocol bits (d) a brick
  28. 28.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) a heavy book (d) a steel spoon
  29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) yeast
  30. 30.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
  31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
  32. 32.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  33. 33.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) vinegar (d) yeast
  34. 34.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  35. 35.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a heavy book (d) thermocol bits
  36. 36.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  37. 37.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) a thin water stream (c) puffed rice (d) thermocol bits
  38. 38.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  39. 39.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
  40. 40.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed

Answer key

  1. False
  2. indoors
  3. False
  4. a heavy book
  5. a thin water stream
  6. the same hair
  7. a battery cell
  8. we keep it the same
  9. False
  10. needed
  11. a mirror
  12. a heavy book
  13. the same comb
  14. a brick
  15. distance to the paper
  16. False
  17. a balloon
  18. True
  19. True
  20. plug points at home
  21. turmeric powder
  22. False
  23. a magnet
  24. True
  25. False
  26. does not move
  27. a brick
  28. dry hair
  29. yeast
  30. False
  31. False
  32. does not move
  33. a plastic comb
  34. needed
  35. thermocol bits
  36. jumps to the comb
  37. a steel spoon
  38. not needed
  39. True
  40. not needed

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