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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 702 · 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.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a heavy book (d) tiny paper bits
  2. 2.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) a heavy book (d) thermocol bits
  3. 3.True or false: dry hair is not needed for the static comb. (a) True (b) False
  4. 4.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) on a rooftop (d) in an open field
  5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
  6. 6.True or false: a magnet is needed for the static comb. (a) True (b) False
  7. 7.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes
  8. 8.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  9. 9.True or false: vinegar is not needed for the static comb. (a) False (b) True
  10. 10.🧺 Which of these is needed for the static comb? (a) vinegar (b) yeast (c) tiny paper bits (d) a battery cell
  11. 11.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the paper bit size (c) paper bits picked up (d) number of rubs
  13. 13.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) damp air leaks charge (d) dry days are noisy
  14. 14.⚖️ 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) False (b) True
  15. 15.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  16. 16.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  17. 17.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a heavy book (c) a steel spoon (d) a brick
  18. 18.True or false: dry hair is needed for the static comb. (a) True (b) False
  19. 19.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) sunlight (d) gravity
  20. 20.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) turmeric powder
  22. 22.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) lightning (c) dew (d) the wind
  23. 23.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
  24. 24.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a plastic comb (c) a balloon (d) dry hair
  25. 25.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  26. 26.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  27. 27.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  28. 28.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed plastic comb (d) a rubbed balloon
  29. 29.True or false: a balloon is needed for the static comb. (a) True (b) False
  30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) a plastic comb (d) tiny paper bits
  31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) vinegar (c) dry hair (d) a plastic comb
  32. 32.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) yeast (c) a mirror (d) dry hair
  33. 33.True or false: a mirror is needed for the static comb. (a) False (b) True
  34. 34.⚖️ 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
  35. 35.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) a heavy book (d) thermocol bits
  36. 36.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) a steel spoon (d) a thin water stream
  37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
  38. 38.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
  39. 39.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
  40. 40.True or false: tiny paper bits is needed for the static comb. (a) True (b) False

Answer key

  1. tiny paper bits
  2. a heavy book
  3. False
  4. indoors
  5. we keep it the same
  6. False
  7. the stream bends
  8. not needed
  9. True
  10. tiny paper bits
  11. needed
  12. paper bits picked up
  13. damp air leaks charge
  14. True
  15. jumps to the comb
  16. True
  17. dry hair
  18. True
  19. static electricity
  20. not needed
  21. turmeric powder
  22. lightning
  23. jumps to the comb
  24. a magnet
  25. needed
  26. True
  27. not needed
  28. plug points at home
  29. True
  30. yeast
  31. vinegar
  32. dry hair
  33. False
  34. we keep it the same
  35. a heavy book
  36. a steel spoon
  37. we change it
  38. True
  39. False
  40. True

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