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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 363 · 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.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
  2. 2.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) lightning (d) dew
  3. 3.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  4. 4.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the same comb (c) the paper bit size (d) number of rubs
  6. 6.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
  7. 7.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) vinegar (d) yeast
  8. 8.True or false: a pebble jumps to a charged comb. (a) False (b) True
  9. 9.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  10. 10.True or false: dry hair is not needed for the static comb. (a) False (b) True
  11. 11.⚡ Which of these does not move to a charged comb? (a) a pebble (b) dry hair (c) puffed rice (d) tiny paper bits
  12. 12.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a heavy book (c) a steel spoon (d) a pebble
  13. 13.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
  14. 14.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the water stops (d) the stream bends
  15. 15.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  16. 16.⚖️ 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
  17. 17.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) tiny paper bits (d) a thin water stream
  18. 18.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) tiny paper bits (c) a heavy book (d) a brick
  19. 19.True or false: puffed rice does not move to a charged comb. (a) False (b) True
  20. 20.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  21. 21.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is a magnet (d) it is hot
  22. 22.True or false: dry hair does not move to a charged comb. (a) True (b) False
  23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
  24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) vinegar (d) dry hair
  25. 25.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) puffed rice (d) a heavy book
  26. 26.True or false: a balloon is needed for the static comb. (a) False (b) True
  27. 27.True or false: a magnet is needed for the static comb. (a) True (b) False
  28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
  29. 29.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
  30. 30.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a magnet (d) a plastic comb
  31. 31.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) dry hair (d) a steel spoon
  32. 32.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) the bits jump to it (d) nothing happens
  33. 33.⚖️ 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
  34. 34.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
  35. 35.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) puffed rice (d) a thin water stream
  36. 36.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
  37. 37.⚖️ 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
  38. 38.⚖️ 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) False (b) True
  39. 39.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  40. 40.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) dry hair (c) a pebble (d) a heavy book

Answer key

  1. it hardly works
  2. lightning
  3. needed
  4. does not move
  5. number of rubs
  6. indoors
  7. a plastic comb
  8. False
  9. jumps to the comb
  10. False
  11. a pebble
  12. thermocol bits
  13. False
  14. the stream bends
  15. not needed
  16. True
  17. a brick
  18. tiny paper bits
  19. False
  20. False
  21. it has static charge
  22. False
  23. we keep it the same
  24. vinegar
  25. puffed rice
  26. True
  27. False
  28. True
  29. True
  30. a magnet
  31. dry hair
  32. the bits jump to it
  33. we change it
  34. False
  35. a heavy book
  36. jumps to the comb
  37. we keep it the same
  38. False
  39. True
  40. dry hair

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