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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 406 · 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? What do we do with “number of rubs”? (a) we measure it (b) we change it (c) we keep it the same
  2. 2.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) the stream bends (d) nothing at all
  3. 3.🔍 Which is the odd one out? (a) a steel spoon (b) dry hair (c) a brick (d) a heavy book
  4. 4.🛟 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
  5. 5.True or false: dry hair is not needed for the static comb. (a) False (b) True
  6. 6.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
  7. 7.⚖️ 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 hair (c) number of rubs (d) paper bits picked up
  8. 8.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) vinegar (d) yeast
  9. 9.True or false: a battery cell is needed for the static comb. (a) False (b) True
  10. 10.⚡ Which of these jumps to a charged comb? (a) a pebble (b) thermocol bits (c) a heavy book (d) a steel spoon
  11. 11.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
  12. 12.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
  13. 13.True or false: a magnet is needed for the static comb. (a) False (b) True
  14. 14.True or false: a pebble does not move to a charged comb. (a) True (b) False
  15. 15.🧺 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 magnet
  16. 16.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
  17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we measure it (c) we keep it the same
  18. 18.True or false: a pebble jumps to a charged comb. (a) False (b) True
  19. 19.True or false: turmeric powder is needed for the static comb. (a) True (b) False
  20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
  21. 21.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) the wind (d) a rainbow
  22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
  23. 23.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) a heavy book (d) thermocol bits
  24. 24.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) damp air leaks charge (c) dry days are noisy (d) water adds charge
  25. 25.🛟 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
  26. 26.True or false: dry hair jumps to a charged comb. (a) False (b) True
  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.⚖️ 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 keep it the same (c) we change it
  29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) the same hair
  30. 30.⚖️ 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
  31. 31.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) a thin water stream (d) tiny paper bits
  32. 32.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a steel spoon (c) thermocol bits (d) a thin water stream
  33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a mirror (d) dry hair
  34. 34.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) vinegar (d) dry hair
  36. 36.⚖️ 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) distance to the paper (c) the same hair (d) number of rubs
  37. 37.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) puffed rice (d) a heavy book
  38. 38.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  39. 39.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a pebble (c) a heavy book (d) a steel spoon
  40. 40.True or false: a brick jumps to a charged comb. (a) True (b) False

Answer key

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

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