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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 978 · 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.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it sticks for a while (d) it falls straight down
  2. 2.⚡ A rubbed comb is held near a thin water stream. 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: number of rubs is what we measure. (a) True (b) False
  4. 4.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  5. 5.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the water stops (d) the stream bends
  6. 6.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  7. 7.True or false: dry hair is not needed for the static comb. (a) False (b) True
  8. 8.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) a balloon (d) a mirror
  9. 9.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
  10. 10.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
  12. 12.True or false: a mirror is not needed for the static comb. (a) False (b) True
  13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) number of rubs (c) paper bits picked up
  14. 14.⚖️ 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 same comb
  15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
  16. 16.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) a magnet (d) dry hair
  17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) a plastic comb (d) a balloon
  18. 18.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  19. 19.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
  20. 20.True or false: a brick jumps to a charged comb. (a) False (b) True
  21. 21.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
  22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a balloon (c) dry hair (d) a plastic comb
  23. 23.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  24. 24.True or false: dry hair is needed for the static comb. (a) True (b) False
  25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) False (b) True
  26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) turmeric powder
  27. 27.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
  28. 28.True or false: dry hair does not move to a charged comb. (a) False (b) True
  29. 29.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
  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) True (b) False
  31. 31.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a brick (d) a steel spoon
  32. 32.🧺 Which of these is needed for the static comb? (a) a battery cell (b) tiny paper bits (c) vinegar (d) a mirror
  33. 33.True or false: a magnet is not needed for the static comb. (a) True (b) False
  34. 34.⚖️ 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
  35. 35.⚖️ 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) False (b) True
  36. 36.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a thin water stream (d) thermocol bits
  37. 37.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  38. 38.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  39. 39.True or false: vinegar is not needed for the static comb. (a) False (b) True
  40. 40.True or false: a heavy book does not move to a charged comb. (a) False (b) True

Answer key

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

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