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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 873 · 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.

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  1. 1.🧺 Which of these is needed for the static comb? (a) yeast (b) a balloon (c) turmeric powder (d) vinegar
  2. 2.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  3. 3.⚖️ 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) number of rubs (c) distance to the paper (d) the paper bit size
  4. 4.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a mirror (c) turmeric powder (d) vinegar
  5. 5.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  6. 6.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
  7. 7.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a heavy book (d) a steel spoon
  8. 8.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) yeast (d) dry hair
  9. 9.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) a steel spoon (d) a thin water stream
  10. 10.🔮 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
  11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
  12. 12.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  13. 13.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a mirror (d) a balloon
  14. 14.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) thermocol bits (c) a thin water stream (d) dry hair
  15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) False (b) True
  16. 16.True or false: turmeric powder is needed for the static comb. (a) False (b) True
  17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
  18. 18.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  19. 19.True or false: vinegar is not needed for the static comb. (a) True (b) False
  20. 20.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  21. 21.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) turmeric powder (d) dry hair
  22. 22.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  23. 23.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  24. 24.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) dry hair (d) puffed rice
  25. 25.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
  27. 27.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
  28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) a plastic comb (d) a balloon
  29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
  30. 30.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
  31. 31.⚖️ 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 change it (c) we keep it the same
  32. 32.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a pebble (c) dry hair (d) a thin water stream
  33. 33.True or false: dry hair is needed for the static comb. (a) False (b) True
  34. 34.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  35. 35.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
  36. 36.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) yeast (c) a balloon (d) a plastic comb
  37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) tiny paper bits (d) dry hair
  38. 38.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  39. 39.⚖️ 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) number of rubs (c) paper bits picked up
  40. 40.True or false: yeast is needed for the static comb. (a) False (b) True

Answer key

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

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