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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 52 · 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.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  2. 2.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
  3. 3.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) yeast (d) tiny paper bits
  4. 4.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a steel spoon (d) a brick
  5. 5.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  6. 6.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
  7. 7.True or false: dry hair jumps to a charged comb. (a) True (b) False
  8. 8.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) a pebble (d) a steel spoon
  9. 9.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
  10. 10.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) in an open field (d) indoors
  11. 11.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  12. 12.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) yeast (d) a balloon
  13. 13.True or false: dry hair is not needed for the static comb. (a) False (b) True
  14. 14.True or false: a brick does not move to a charged comb. (a) True (b) False
  15. 15.True or false: dry hair does not move to a charged comb. (a) True (b) False
  16. 16.🔍 Which is the odd one out? (a) dry hair (b) a brick (c) tiny paper bits (d) a thin water stream
  17. 17.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  18. 18.⚖️ 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) number of rubs (c) distance to the paper (d) paper bits picked up
  19. 19.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  20. 20.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
  21. 21.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
  22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we keep it the same (c) we change it
  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.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) dry hair (d) yeast
  25. 25.🔮 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 falls straight down (d) it sticks for a while
  26. 26.⚡ 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
  27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
  28. 28.⚖️ 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
  29. 29.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) a thin water stream (d) puffed rice
  30. 30.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) tiny paper bits (d) a heavy book
  31. 31.True or false: a pebble jumps to a charged comb. (a) True (b) False
  32. 32.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
  33. 33.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) dry hair (d) a magnet
  34. 34.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  35. 35.⚡ Which of these does not move to a charged comb? (a) a brick (b) dry hair (c) puffed rice (d) thermocol bits
  36. 36.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  37. 37.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  38. 38.True or false: a mirror is needed for the static comb. (a) True (b) False
  39. 39.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  40. 40.⚖️ 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) False (b) True

Answer key

  1. needed
  2. True
  3. tiny paper bits
  4. dry hair
  5. not needed
  6. it hardly works
  7. True
  8. puffed rice
  9. does not move
  10. indoors
  11. False
  12. a balloon
  13. False
  14. True
  15. False
  16. a brick
  17. needed
  18. paper bits picked up
  19. not needed
  20. False
  21. True
  22. we measure it
  23. we keep it the same
  24. yeast
  25. it sticks for a while
  26. damp air leaks charge
  27. we keep it the same
  28. False
  29. a steel spoon
  30. tiny paper bits
  31. False
  32. jumps to the comb
  33. dry hair
  34. needed
  35. a brick
  36. jumps to the comb
  37. does not move
  38. False
  39. does not move
  40. False

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