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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 504 · 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.

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  1. 1.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) tiny paper bits (d) yeast
  2. 2.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  3. 3.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  4. 4.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) magnetism (d) static electricity
  5. 5.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) a balloon (d) a battery cell
  6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
  7. 7.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) a steel spoon (d) tiny paper bits
  8. 8.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) dry hair (d) a battery cell
  9. 9.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  10. 10.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
  11. 11.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) tiny paper bits (d) a heavy book
  12. 12.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a heavy book (d) thermocol bits
  13. 13.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  14. 14.⚖️ 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) False (b) True
  15. 15.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
  16. 16.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a thin water stream (d) a brick
  17. 17.⚖️ 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
  18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
  19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) a balloon (d) tiny paper bits
  20. 20.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) a thin water stream
  21. 21.True or false: a battery cell is needed for the static comb. (a) False (b) True
  22. 22.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  23. 23.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
  24. 24.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) dry hair (d) a brick
  25. 25.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) thermocol bits (d) a thin water stream
  26. 26.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it becomes a magnet (d) it hardly works
  27. 27.⚖️ 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
  28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) dry hair (d) a plastic comb
  29. 29.True or false: a magnet is not needed for the static comb. (a) True (b) False
  30. 30.True or false: yeast is not needed for the static comb. (a) False (b) True
  31. 31.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
  32. 32.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) dry hair (d) a pebble
  33. 33.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it is sticky (d) it has static charge
  34. 34.True or false: vinegar is not needed for the static comb. (a) False (b) True
  35. 35.True or false: dry hair is not needed for the static comb. (a) True (b) False
  36. 36.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a mirror (c) dry hair (d) a balloon
  37. 37.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  38. 38.🛟 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
  39. 39.True or false: dry hair is needed for the static comb. (a) True (b) False
  40. 40.True or false: thermocol bits does not move to a charged comb. (a) True (b) False

Answer key

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

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