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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 817 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
  2. 2.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a magnet (d) a balloon
  3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a plastic comb (c) tiny paper bits (d) dry hair
  4. 4.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  5. 5.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  6. 6.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  7. 7.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  8. 8.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
  9. 9.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
  10. 10.🔮 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 sticks for a while (d) it bursts at once
  11. 11.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) a rubbed plastic comb (d) paper bits on a comb
  12. 12.True or false: a battery cell is needed for the static comb. (a) True (b) False
  13. 13.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it becomes a magnet (d) it works better
  14. 14.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it has static charge (c) it is sticky (d) it is hot
  15. 15.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  16. 16.True or false: dry hair is not needed for the static comb. (a) True (b) False
  17. 17.True or false: puffed rice does not move to a charged comb. (a) False (b) True
  18. 18.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
  19. 19.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) a plastic comb (d) yeast
  20. 20.🔍 Which is the odd one out? (a) a steel spoon (b) dry hair (c) a thin water stream (d) tiny paper bits
  21. 21.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  22. 22.⚡ Which of these jumps to a charged comb? (a) a pebble (b) puffed rice (c) a heavy book (d) a steel spoon
  23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the paper bit size (c) distance to the paper (d) the same comb
  24. 24.⚖️ 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 hair (b) paper bits picked up (c) distance to the paper (d) number of rubs
  25. 25.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  26. 26.True or false: a heavy book does not move to a charged comb. (a) True (b) False
  27. 27.⚖️ 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) the same hair (c) paper bits picked up
  28. 28.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
  29. 29.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a steel spoon (d) dry hair
  30. 30.⚖️ 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
  31. 31.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a heavy book (d) puffed rice
  32. 32.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  33. 33.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  34. 34.🧺 Which of these is needed for the static comb? (a) a battery cell (b) tiny paper bits (c) yeast (d) turmeric powder
  35. 35.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a pebble (d) a thin water stream
  36. 36.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a steel spoon (d) a thin water stream
  37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
  38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) vinegar
  39. 39.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) thermocol bits (d) a pebble
  40. 40.True or false: yeast is needed for the static comb. (a) False (b) True

Answer key

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

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