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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 795 · 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: turmeric powder is not needed for the static comb. (a) False (b) True
  2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
  3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) paper bits on a comb (d) a rubbed plastic comb
  4. 4.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a balloon (d) a magnet
  6. 6.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  7. 7.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
  8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
  9. 9.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) number of rubs (c) paper bits picked up (d) the same comb
  11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) paper bits picked up (c) number of rubs (d) the same comb
  12. 12.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
  13. 13.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) puffed rice (d) a brick
  14. 14.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a battery cell (c) vinegar (d) a mirror
  15. 15.True or false: a battery cell is needed for the static comb. (a) False (b) True
  16. 16.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  17. 17.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) a thin water stream
  18. 18.🔮 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
  19. 19.True or false: dry hair is not needed for the static comb. (a) False (b) True
  20. 20.True or false: a balloon is not needed for the static comb. (a) True (b) False
  21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (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 what we measure. (a) True (b) False
  23. 23.⚖️ 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
  24. 24.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) tiny paper bits (d) a heavy book
  25. 25.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
  26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
  27. 27.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) a steel spoon (d) tiny paper bits
  28. 28.True or false: a heavy book does not move to a charged comb. (a) False (b) True
  29. 29.True or false: a battery cell is not needed for the static comb. (a) True (b) False
  30. 30.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a pebble (d) dry hair
  31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) yeast (d) tiny paper bits
  32. 32.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) dew (d) a rainbow
  33. 33.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
  34. 34.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) static electricity (d) magnetism
  35. 35.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
  36. 36.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  37. 37.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a thin water stream (d) puffed rice
  38. 38.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
  39. 39.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) vinegar

Answer key

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

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