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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 768 · 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.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
  2. 2.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
  3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) the paper bit size
  4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) a balloon (d) dry hair
  5. 5.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  6. 6.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
  7. 7.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a battery cell (d) a plastic comb
  8. 8.⚖️ 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
  9. 9.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  10. 10.⚖️ 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
  11. 11.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it sticks for a while (d) it bursts at once
  12. 12.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) yeast (d) a mirror
  13. 13.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a heavy book (d) thermocol bits
  14. 14.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
  15. 15.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  16. 16.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) yeast (d) a magnet
  17. 17.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) a brick (d) a heavy book
  18. 18.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a magnet (d) dry hair
  19. 19.🔮 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
  20. 20.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) the wind (d) lightning
  21. 21.🛟 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
  22. 22.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
  23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
  24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) turmeric powder (c) a plastic comb (d) a balloon
  25. 25.True or false: yeast is not needed for the static comb. (a) True (b) False
  26. 26.True or false: dry hair does not move to a charged comb. (a) True (b) False
  27. 27.True or false: dry hair is needed for the static comb. (a) True (b) False
  28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) a plastic comb (d) a balloon
  29. 29.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  30. 30.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) a battery cell (d) tiny paper bits
  31. 31.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) vinegar
  32. 32.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  33. 33.🧺 Which of these is needed for the static comb? (a) a magnet (b) a balloon (c) vinegar (d) yeast
  34. 34.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) wet hair is magnetic (d) damp air leaks charge
  35. 35.🛟 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 balloon (d) a rubbed plastic comb
  36. 36.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  37. 37.True or false: puffed rice jumps to a charged comb. (a) True (b) False
  38. 38.True or false: a mirror is not needed for the static comb. (a) False (b) True
  39. 39.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  40. 40.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a steel spoon (c) a pebble (d) a brick

Answer key

  1. True
  2. jumps to the comb
  3. the paper bit size
  4. vinegar
  5. needed
  6. False
  7. a battery cell
  8. False
  9. not needed
  10. we change it
  11. it sticks for a while
  12. a plastic comb
  13. a heavy book
  14. True
  15. not needed
  16. dry hair
  17. thermocol bits
  18. a magnet
  19. it hardly works
  20. lightning
  21. indoors
  22. static electricity
  23. False
  24. turmeric powder
  25. True
  26. False
  27. True
  28. a battery cell
  29. does not move
  30. tiny paper bits
  31. vinegar
  32. True
  33. a balloon
  34. damp air leaks charge
  35. plug points at home
  36. True
  37. True
  38. True
  39. needed
  40. dry hair

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