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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 653 · 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? True or false: the paper bit size is what we measure. (a) True (b) False
  2. 2.⚖️ 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
  3. 3.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) a brick (d) dry hair
  4. 4.True or false: a pebble jumps to a charged comb. (a) True (b) False
  5. 5.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
  6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) turmeric powder
  7. 7.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water freezes (d) the water stops
  8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) tiny paper bits (c) a balloon (d) dry hair
  9. 9.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
  11. 11.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) yeast (d) dry hair
  12. 12.True or false: dry hair jumps to a charged comb. (a) False (b) True
  13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) distance to the paper (c) the same hair (d) the same comb
  14. 14.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) a heavy book (d) a steel spoon
  15. 15.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
  16. 16.⚖️ 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
  17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
  18. 18.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a steel spoon (d) a pebble
  19. 19.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
  20. 20.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a plastic comb (d) a magnet
  21. 21.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  22. 22.🔮 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
  23. 23.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) vinegar (c) a battery cell (d) a mirror
  24. 24.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) a thin water stream (d) a steel spoon
  25. 25.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it has static charge (d) it is hot
  26. 26.True or false: a balloon is needed for the static comb. (a) False (b) True
  27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a magnet (d) dry hair
  28. 28.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  29. 29.True or false: a brick jumps to a charged comb. (a) True (b) False
  30. 30.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
  31. 31.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a pebble (c) thermocol bits (d) dry hair
  32. 32.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
  33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
  34. 34.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  35. 35.True or false: a heavy book does not move to a charged comb. (a) True (b) False
  36. 36.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
  37. 37.True or false: dry hair is not needed for the static comb. (a) True (b) False
  38. 38.⚖️ 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) True (b) False
  39. 39.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
  40. 40.🧺 Which of these is not needed for the static comb? (a) yeast (b) a balloon (c) a plastic comb (d) tiny paper bits

Answer key

  1. False
  2. False
  3. a brick
  4. False
  5. static electricity
  6. turmeric powder
  7. the stream bends
  8. vinegar
  9. not needed
  10. we change it
  11. dry hair
  12. True
  13. number of rubs
  14. a thin water stream
  15. False
  16. False
  17. we keep it the same
  18. dry hair
  19. jumps to the comb
  20. a magnet
  21. does not move
  22. it sticks for a while
  23. tiny paper bits
  24. a steel spoon
  25. it has static charge
  26. True
  27. a magnet
  28. does not move
  29. False
  30. jumps to the comb
  31. a pebble
  32. False
  33. True
  34. needed
  35. True
  36. False
  37. False
  38. True
  39. True
  40. yeast

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