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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 472 · 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 not needed for the static comb? (a) a balloon (b) dry hair (c) tiny paper bits (d) a magnet
  2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) vinegar (d) dry hair
  3. 3.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a thin water stream (d) a heavy book
  4. 4.⚖️ 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) paper bits picked up (c) the paper bit size (d) distance to the paper
  5. 5.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) wet hair is magnetic (c) water adds charge (d) dry days are noisy
  6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) dry hair (d) a balloon
  7. 7.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) a pebble (d) a thin water stream
  8. 8.True or false: a heavy book 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) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
  10. 10.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) dew (d) a rainbow
  11. 11.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  12. 12.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) dry hair (d) a brick
  13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a battery cell (c) a balloon (d) a plastic comb
  14. 14.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) a steel spoon (d) a brick
  15. 15.True or false: dry hair is not needed for the static comb. (a) False (b) True
  16. 16.True or false: a pebble jumps to a charged comb. (a) True (b) False
  17. 17.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a heavy book (d) a thin water stream
  18. 18.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  19. 19.True or false: puffed rice jumps to a charged comb. (a) False (b) True
  20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) a mirror
  21. 21.True or false: a mirror is not needed for the static comb. (a) False (b) True
  22. 22.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  23. 23.True or false: vinegar is needed for the static comb. (a) True (b) False
  24. 24.⚖️ 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) the same comb (c) number of rubs (d) the paper bit size
  25. 25.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  26. 26.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
  27. 27.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  28. 28.⚡ Which of these does not move to a charged comb? (a) a brick (b) dry hair (c) puffed rice (d) a thin water stream
  29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
  30. 30.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a steel spoon (c) a heavy book (d) a brick
  31. 31.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  32. 32.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  33. 33.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
  34. 34.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) a pebble (d) a steel spoon
  35. 35.True or false: vinegar is not needed for the static comb. (a) False (b) True
  36. 36.True or false: yeast is not needed for the static comb. (a) False (b) True
  37. 37.True or false: a battery cell is needed for the static comb. (a) True (b) False
  38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) dry hair (d) tiny paper bits
  39. 39.⚖️ 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
  40. 40.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree

Answer key

  1. a magnet
  2. vinegar
  3. a thin water stream
  4. paper bits picked up
  5. damp air leaks charge
  6. a magnet
  7. a pebble
  8. True
  9. plug points at home
  10. lightning
  11. does not move
  12. a brick
  13. a battery cell
  14. thermocol bits
  15. False
  16. False
  17. a thin water stream
  18. jumps to the comb
  19. True
  20. a mirror
  21. True
  22. not needed
  23. False
  24. number of rubs
  25. does not move
  26. it hardly works
  27. not needed
  28. a brick
  29. True
  30. tiny paper bits
  31. does not move
  32. not needed
  33. jumps to the comb
  34. puffed rice
  35. True
  36. True
  37. False
  38. turmeric powder
  39. we keep it the same
  40. indoors

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