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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 232 · 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.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) under a tall tree (d) indoors
  2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
  3. 3.True or false: a magnet is not needed for the static comb. (a) True (b) False
  4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) distance to the paper (c) number of rubs (d) the same comb
  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) False (b) True
  6. 6.⚖️ 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
  7. 7.🔮 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
  8. 8.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) nothing at all (d) the water stops
  9. 9.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
  10. 10.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  11. 11.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
  12. 12.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
  13. 13.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) puffed rice (d) a thin water stream
  14. 14.True or false: a plastic comb is needed for the static comb. (a) True (b) False
  15. 15.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is sticky (c) it is a magnet (d) it is hot
  16. 16.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  17. 17.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
  18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) turmeric powder (d) a balloon
  19. 19.⚖️ 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) False (b) True
  20. 20.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) a steel spoon (d) tiny paper bits
  21. 21.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a pebble (d) puffed rice
  22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) a mirror
  23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it
  24. 24.True or false: a brick does not move to a charged comb. (a) False (b) True
  25. 25.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  26. 26.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) wet hair is magnetic (d) damp air leaks charge
  27. 27.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  28. 28.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) turmeric powder (d) a magnet
  29. 29.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it sticks for a while (d) it falls straight down
  30. 30.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  31. 31.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  32. 32.True or false: dry hair jumps to a charged comb. (a) True (b) False
  33. 33.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
  34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) tiny paper bits (c) dry hair (d) a plastic comb
  35. 35.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  36. 36.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
  37. 37.True or false: yeast is not needed for the static comb. (a) False (b) True
  38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
  39. 39.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  40. 40.True or false: turmeric powder is not needed for the static comb. (a) True (b) False

Answer key

  1. indoors
  2. False
  3. True
  4. number of rubs
  5. False
  6. False
  7. it hardly works
  8. the stream bends
  9. False
  10. jumps to the comb
  11. jumps to the comb
  12. not needed
  13. a pebble
  14. True
  15. it has static charge
  16. not needed
  17. lightning
  18. turmeric powder
  19. False
  20. a steel spoon
  21. puffed rice
  22. a mirror
  23. we keep it the same
  24. True
  25. not needed
  26. damp air leaks charge
  27. False
  28. dry hair
  29. it sticks for a while
  30. needed
  31. True
  32. True
  33. does not move
  34. a battery cell
  35. not needed
  36. True
  37. True
  38. we change it
  39. does not move
  40. True

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