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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 392 · 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 “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
  2. 2.True or false: yeast is not needed for the static comb. (a) False (b) True
  3. 3.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a brick
  4. 4.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
  5. 5.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
  6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) number of rubs (c) the paper bit size (d) distance to the paper
  7. 7.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) dry hair (d) a mirror
  8. 8.🔮 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 stops (d) the water freezes
  9. 9.⚖️ 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 same hair (c) number of rubs (d) the paper bit size
  10. 10.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  11. 11.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a pebble (d) a brick
  12. 12.True or false: a pebble does not move to a charged comb. (a) True (b) False
  13. 13.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it is hot (d) it has static charge
  14. 14.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  15. 15.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
  16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a balloon (c) dry hair (d) a plastic comb
  17. 17.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) sunlight (c) gravity (d) magnetism
  18. 18.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  19. 19.🧺 Which of these is not needed for the static comb? (a) vinegar (b) tiny paper bits (c) a balloon (d) a plastic comb
  20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) tiny paper bits (c) dry hair (d) a balloon
  21. 21.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
  22. 22.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
  23. 23.🧺 Which of these is needed for the static comb? (a) a mirror (b) a plastic comb (c) a battery cell (d) yeast
  24. 24.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) tiny paper bits (c) puffed rice (d) dry hair
  25. 25.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) puffed rice
  26. 26.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) tiny paper bits (d) a balloon
  28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) vinegar (d) tiny paper bits
  29. 29.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
  30. 30.True or false: a magnet is not needed for the static comb. (a) False (b) True
  31. 31.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a battery cell (d) tiny paper bits
  32. 32.True or false: turmeric powder is needed for the static comb. (a) False (b) True
  33. 33.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  34. 34.⚖️ 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
  35. 35.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
  36. 36.True or false: a battery cell is needed for the static comb. (a) True (b) False
  37. 37.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) tiny paper bits (d) thermocol bits
  38. 38.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
  39. 39.True or false: dry hair is needed for the static comb. (a) False (b) True
  40. 40.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move

Answer key

  1. we keep it the same
  2. True
  3. a brick
  4. not needed
  5. plug points at home
  6. number of rubs
  7. a mirror
  8. the stream bends
  9. paper bits picked up
  10. jumps to the comb
  11. dry hair
  12. True
  13. it has static charge
  14. needed
  15. True
  16. a mirror
  17. static electricity
  18. False
  19. vinegar
  20. turmeric powder
  21. indoors
  22. False
  23. a plastic comb
  24. a steel spoon
  25. puffed rice
  26. not needed
  27. a magnet
  28. vinegar
  29. False
  30. True
  31. a battery cell
  32. False
  33. does not move
  34. False
  35. jumps to the comb
  36. False
  37. a pebble
  38. True
  39. True
  40. does not move

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