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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 486 · 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.⚖️ 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) the same hair (d) paper bits picked up
  2. 2.⚖️ 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
  3. 3.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
  4. 4.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a heavy book (d) puffed rice
  5. 5.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) water adds charge (c) wet hair is magnetic (d) dry days are noisy
  6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
  7. 7.🧺 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
  8. 8.⚖️ 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) number of rubs (c) distance to the paper
  9. 9.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  10. 10.True or false: turmeric powder is needed for the static comb. (a) True (b) False
  11. 11.⚖️ 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
  12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) paper bits picked up (c) number of rubs
  13. 13.True or false: vinegar is needed for the static comb. (a) False (b) True
  14. 14.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a magnet (d) a balloon
  15. 15.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a pebble (c) a brick (d) a steel spoon
  16. 16.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it becomes a magnet (d) it works better
  17. 17.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a brick (d) tiny paper bits
  18. 18.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) dry hair (d) a steel spoon
  19. 19.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) vinegar (d) dry hair
  20. 20.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
  21. 21.True or false: a battery cell is needed for the static comb. (a) True (b) False
  22. 22.True or false: a mirror is needed for the static comb. (a) True (b) False
  23. 23.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  24. 24.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a steel spoon (d) a brick
  25. 25.⚖️ 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
  26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) tiny paper bits (d) dry hair
  27. 27.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  28. 28.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) puffed rice (d) a steel spoon
  29. 29.🧺 Which of these is needed for the static comb? (a) a magnet (b) a balloon (c) a battery cell (d) vinegar
  30. 30.True or false: a brick jumps to a charged comb. (a) False (b) True
  31. 31.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  32. 32.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
  33. 33.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  34. 34.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
  35. 35.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
  36. 36.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) vinegar (c) a plastic comb (d) a balloon
  38. 38.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  39. 39.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  40. 40.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) turmeric powder (d) a plastic comb

Answer key

  1. paper bits picked up
  2. we change it
  3. lightning
  4. a heavy book
  5. damp air leaks charge
  6. True
  7. a battery cell
  8. distance to the paper
  9. not needed
  10. False
  11. True
  12. the paper bit size
  13. False
  14. a magnet
  15. dry hair
  16. it hardly works
  17. tiny paper bits
  18. dry hair
  19. dry hair
  20. False
  21. False
  22. False
  23. not needed
  24. a thin water stream
  25. False
  26. turmeric powder
  27. does not move
  28. a steel spoon
  29. a balloon
  30. False
  31. does not move
  32. needed
  33. does not move
  34. plug points at home
  35. True
  36. needed
  37. vinegar
  38. does not move
  39. not needed
  40. turmeric powder

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