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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 207 · 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 heavy book jumps to a charged comb. (a) True (b) False
  2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same comb (c) paper bits picked up (d) distance to the paper
  3. 3.🛟 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
  4. 4.⚖️ 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
  5. 5.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
  6. 6.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a steel spoon (d) dry hair
  7. 7.🧺 Which of these is needed for the static comb? (a) a mirror (b) yeast (c) vinegar (d) a plastic comb
  8. 8.True or false: a mirror is needed for the static comb. (a) False (b) True
  9. 9.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) vinegar
  10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed balloon (d) a rubbed plastic comb
  11. 11.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a heavy book (c) puffed rice (d) thermocol bits
  12. 12.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  13. 13.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) a battery cell (d) a balloon
  14. 14.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  15. 15.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
  16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a magnet
  17. 17.⚖️ 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
  18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) tiny paper bits (d) a balloon
  19. 19.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  20. 20.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) dry hair (d) a balloon
  22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) distance to the paper (c) number of rubs (d) the paper bit size
  23. 23.⚖️ 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 measure it (c) we change it
  24. 24.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
  25. 25.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  26. 26.True or false: puffed rice jumps to a charged comb. (a) False (b) True
  27. 27.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a mirror (c) dry hair (d) a plastic comb
  28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
  29. 29.🧺 Which of these is needed for the static comb? (a) a magnet (b) dry hair (c) a battery cell (d) vinegar
  30. 30.⚖️ 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) False (b) True
  31. 31.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) dry hair (d) a pebble
  32. 32.⚖️ 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 measure it (c) we change it
  33. 33.⚖️ 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
  34. 34.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  35. 35.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) a steel spoon (d) thermocol bits
  36. 36.True or false: turmeric powder is needed for the static comb. (a) True (b) False
  37. 37.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
  38. 38.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
  40. 40.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a heavy book (d) tiny paper bits

Answer key

  1. False
  2. paper bits picked up
  3. indoors
  4. True
  5. False
  6. a steel spoon
  7. a plastic comb
  8. False
  9. vinegar
  10. plug points at home
  11. a heavy book
  12. True
  13. a balloon
  14. not needed
  15. it sticks for a while
  16. a magnet
  17. True
  18. vinegar
  19. not needed
  20. needed
  21. yeast
  22. number of rubs
  23. we change it
  24. needed
  25. needed
  26. True
  27. a mirror
  28. we measure it
  29. dry hair
  30. False
  31. a pebble
  32. we keep it the same
  33. we keep it the same
  34. not needed
  35. a steel spoon
  36. False
  37. lightning
  38. jumps to the comb
  39. we keep it the same
  40. tiny paper bits

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