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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 551 · 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 needed for the static comb? (a) turmeric powder (b) a mirror (c) a plastic comb (d) vinegar
  2. 2.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  3. 3.🔍 Which is the odd one out? (a) a steel spoon (b) dry hair (c) a heavy book (d) a brick
  4. 4.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) tiny paper bits (d) puffed rice
  5. 5.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a thin water stream (d) thermocol bits
  6. 6.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  7. 7.True or false: yeast is needed for the static comb. (a) True (b) False
  8. 8.True or false: a balloon is not needed for the static comb. (a) True (b) False
  9. 9.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the stream bends (d) the water freezes
  10. 10.⚖️ 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 keep it the same (c) we measure it
  11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) yeast
  12. 12.⚖️ 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
  13. 13.⚖️ 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
  14. 14.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
  15. 15.⚖️ 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
  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 change it (c) we keep it the same
  17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
  18. 18.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
  19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same comb (c) distance to the paper (d) paper bits picked up
  20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) tiny paper bits (d) a balloon
  21. 21.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  22. 22.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a pebble (c) a heavy book (d) a brick
  23. 23.⚡ Which of these jumps to a charged comb? (a) a brick (b) dry hair (c) a heavy book (d) a pebble
  24. 24.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) plug points at home (d) a rubbed balloon
  25. 25.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  26. 26.True or false: vinegar is needed for the static comb. (a) False (b) True
  27. 27.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a thin water stream (d) a steel spoon
  28. 28.True or false: dry hair jumps to a charged comb. (a) False (b) True
  29. 29.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) dry hair (d) a brick
  30. 30.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a balloon (c) vinegar (d) a battery cell
  31. 31.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  32. 32.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  33. 33.True or false: turmeric powder is needed for the static comb. (a) False (b) True
  34. 34.True or false: a brick does not move to a charged comb. (a) False (b) True
  35. 35.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) wet hair is magnetic (d) dry days are noisy
  36. 36.True or false: vinegar is not needed for the static comb. (a) False (b) True
  37. 37.True or false: puffed rice does not move to a charged comb. (a) True (b) False
  38. 38.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
  40. 40.True or false: a plastic comb is not needed for the static comb. (a) True (b) False

Answer key

  1. a plastic comb
  2. needed
  3. dry hair
  4. a brick
  5. a pebble
  6. jumps to the comb
  7. False
  8. False
  9. the stream bends
  10. we keep it the same
  11. yeast
  12. True
  13. we keep it the same
  14. indoors
  15. True
  16. we keep it the same
  17. False
  18. False
  19. paper bits picked up
  20. a mirror
  21. not needed
  22. tiny paper bits
  23. dry hair
  24. plug points at home
  25. True
  26. False
  27. a thin water stream
  28. True
  29. a brick
  30. a balloon
  31. jumps to the comb
  32. needed
  33. False
  34. True
  35. damp air leaks charge
  36. True
  37. False
  38. not needed
  39. False
  40. False

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