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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 336 · 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.

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  1. 1.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
  2. 2.⚡ A rubbed comb is held near a heavy book. 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? True or false: the same comb is kept the same. (a) False (b) True
  4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) dry hair (d) a balloon
  5. 5.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  6. 6.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) dry hair (d) a brick
  7. 7.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  8. 8.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
  9. 9.True or false: puffed rice does not move to a charged comb. (a) False (b) True
  10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
  11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) paper bits picked up (c) the paper bit size (d) the same hair
  12. 12.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  13. 13.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  14. 14.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
  15. 15.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  16. 16.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
  17. 17.⚖️ 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) the same comb (c) number of rubs
  18. 18.🧺 Which of these is needed for the static comb? (a) a mirror (b) yeast (c) tiny paper bits (d) vinegar
  19. 19.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a heavy book (d) dry hair
  20. 20.⚖️ 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 change it (c) we measure it
  21. 21.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
  22. 22.⚖️ 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
  23. 23.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it turns into water (d) it sticks for a while
  24. 24.⚖️ 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) distance to the paper (c) paper bits picked up
  25. 25.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  26. 26.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a brick (d) puffed rice
  27. 27.🧺 Which of these is needed for the static comb? (a) dry hair (b) turmeric powder (c) yeast (d) a magnet
  28. 28.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  29. 29.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a thin water stream (d) a steel spoon
  30. 30.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  31. 31.True or false: dry hair jumps to a charged comb. (a) False (b) True
  32. 32.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  33. 33.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) tiny paper bits (d) a pebble
  34. 34.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
  35. 35.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
  36. 36.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) puffed rice (d) a brick
  37. 37.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) water adds charge (d) damp air leaks charge
  38. 38.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
  39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a balloon (c) dry hair (d) tiny paper bits
  40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) yeast

Answer key

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

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