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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 967 · 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 “the same comb”? (a) we keep it the same (b) we change it (c) we measure it
  2. 2.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) tiny paper bits (d) dry hair
  4. 4.⚖️ 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 measure it (c) we keep it the same
  5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
  6. 6.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) paper bits picked up (c) the paper bit size (d) number of rubs
  8. 8.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  9. 9.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
  10. 10.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
  11. 11.True or false: a mirror is needed for the static comb. (a) True (b) False
  12. 12.⚖️ 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
  13. 13.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) turmeric powder (d) tiny paper bits
  14. 14.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a battery cell (d) dry hair
  15. 15.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) dry hair (d) a steel spoon
  16. 16.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
  17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
  18. 18.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) the wind (d) lightning
  19. 19.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a pebble (d) a brick
  20. 20.🔍 Which is the odd one out? (a) a steel spoon (b) dry hair (c) a pebble (d) a heavy book
  21. 21.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works
  22. 22.True or false: a battery cell is needed for the static comb. (a) True (b) False
  23. 23.⚖️ 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
  24. 24.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  25. 25.⚖️ 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
  26. 26.True or false: puffed rice jumps to a charged comb. (a) True (b) False
  27. 27.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) a brick (d) tiny paper bits
  28. 28.True or false: vinegar is needed for the static comb. (a) False (b) True
  29. 29.True or false: puffed rice does not move to a charged comb. (a) True (b) False
  30. 30.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
  31. 31.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) yeast (d) turmeric powder
  32. 32.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
  33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
  34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a magnet (d) a balloon
  35. 35.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a brick (d) tiny paper bits
  36. 36.True or false: turmeric powder is needed for the static comb. (a) True (b) False
  37. 37.True or false: a balloon is needed for the static comb. (a) False (b) True
  38. 38.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it has static charge (c) it is hot (d) it is sticky
  39. 39.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  40. 40.True or false: thermocol bits does not move to a charged comb. (a) False (b) True

Answer key

  1. we keep it the same
  2. not needed
  3. turmeric powder
  4. we keep it the same
  5. False
  6. needed
  7. paper bits picked up
  8. not needed
  9. it sticks for a while
  10. False
  11. False
  12. True
  13. tiny paper bits
  14. a battery cell
  15. a steel spoon
  16. does not move
  17. False
  18. lightning
  19. a thin water stream
  20. dry hair
  21. it hardly works
  22. False
  23. the same hair
  24. needed
  25. True
  26. True
  27. a brick
  28. False
  29. False
  30. True
  31. a plastic comb
  32. indoors
  33. False
  34. a magnet
  35. tiny paper bits
  36. False
  37. True
  38. it has static charge
  39. does not move
  40. False

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