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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 260 · 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 is the odd one out? (a) a thin water stream (b) tiny paper bits (c) puffed rice (d) a steel spoon
  2. 2.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
  3. 3.True or false: a magnet is needed for the static comb. (a) True (b) False
  4. 4.True or false: dry hair does not move to a charged comb. (a) False (b) True
  5. 5.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it falls straight down (d) it sticks for a while
  6. 6.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
  7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
  8. 8.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
  9. 9.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) paper bits on a comb (d) plug points at home
  10. 10.⚖️ 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) True (b) False
  11. 11.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  12. 12.True or false: a pebble does not move to a charged comb. (a) True (b) False
  13. 13.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a balloon (d) a battery cell
  14. 14.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  15. 15.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) a battery cell (d) a mirror
  16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
  17. 17.⚖️ 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
  18. 18.True or false: a mirror is needed for the static comb. (a) True (b) False
  19. 19.⚖️ 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) number of rubs (c) distance to the paper (d) the paper bit size
  20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
  21. 21.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
  22. 22.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
  23. 23.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it has static charge (d) it is sticky
  24. 24.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  25. 25.🧺 Which of these is needed for the static comb? (a) a battery cell (b) dry hair (c) turmeric powder (d) a magnet
  26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) dry hair (d) a balloon
  27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) vinegar (d) dry hair
  28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a battery cell (d) a plastic comb
  29. 29.⚖️ 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
  30. 30.True or false: a mirror is not needed for the static comb. (a) True (b) False
  31. 31.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  32. 32.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) indoors (d) on a rooftop
  33. 33.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) dry hair (d) puffed rice
  34. 34.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  35. 35.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  36. 36.True or false: dry hair is not needed for the static comb. (a) False (b) True
  37. 37.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
  38. 38.⚖️ 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
  39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) a plastic comb (d) dry hair
  40. 40.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) dry hair (d) a steel spoon

Answer key

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

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