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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 230 · 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.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
  2. 2.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same comb (c) distance to the paper (d) paper bits picked up
  4. 4.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
  5. 5.True or false: yeast is needed for the static comb. (a) True (b) False
  6. 6.True or false: vinegar is not needed for the static comb. (a) False (b) True
  7. 7.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) yeast
  9. 9.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
  10. 10.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  11. 11.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a mirror
  13. 13.True or false: dry hair is needed for the static comb. (a) True (b) False
  14. 14.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
  15. 15.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
  16. 16.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  17. 17.⚖️ 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) the paper bit size (c) distance to the paper (d) number of rubs
  18. 18.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  19. 19.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed balloon (d) a rubbed plastic comb
  20. 20.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) dry hair (d) a heavy book
  21. 21.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a thin water stream (d) a heavy book
  22. 22.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
  23. 23.⚖️ 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) True (b) False
  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 change it (b) we measure it (c) we keep it the same
  25. 25.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) dry hair (d) thermocol bits
  26. 26.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) gravity (d) magnetism
  27. 27.⚖️ 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
  28. 28.True or false: a mirror is needed for the static comb. (a) False (b) True
  29. 29.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a battery cell (d) a plastic comb
  31. 31.True or false: a balloon is not needed for the static comb. (a) True (b) False
  32. 32.True or false: a brick does not move to a charged comb. (a) True (b) False
  33. 33.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  34. 34.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) tiny paper bits (d) a pebble
  35. 35.True or false: a heavy book jumps to a charged comb. (a) False (b) True
  36. 36.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
  37. 37.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a magnet (d) a balloon
  38. 38.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  39. 39.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works
  40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False

Answer key

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

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