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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 331 · 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 wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
  2. 2.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  3. 3.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) puffed rice (d) a pebble
  4. 4.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) a steel spoon (d) a thin water stream
  5. 5.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
  6. 6.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
  7. 7.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) vinegar
  8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) yeast (d) tiny paper bits
  9. 9.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  10. 10.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  11. 11.True or false: vinegar is not needed for the static comb. (a) False (b) True
  12. 12.True or false: yeast is not needed for the static comb. (a) True (b) False
  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) the paper bit size (b) paper bits picked up (c) the same comb (d) number of rubs
  14. 14.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a heavy book (d) thermocol bits
  15. 15.⚡ Which of these does not move to a charged comb? (a) a pebble (b) puffed rice (c) tiny paper bits (d) dry hair
  16. 16.True or false: dry hair is not needed for the static comb. (a) False (b) True
  17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) a mirror
  18. 18.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
  19. 19.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) paper bits on a comb (d) plug points at home
  20. 20.True or false: dry hair jumps to a charged comb. (a) True (b) False
  21. 21.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  22. 22.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) under a tall tree (d) in an open field
  23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) turmeric powder (d) dry hair
  24. 24.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
  25. 25.⚖️ 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
  26. 26.⚖️ 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 paper bit size
  27. 27.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) thermocol bits (d) a heavy book
  28. 28.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a brick (d) puffed rice
  29. 29.⚖️ 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
  30. 30.⚖️ 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 measure it (c) we keep it the same
  31. 31.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it sticks for a while (d) it turns into water
  32. 32.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a plastic comb (c) vinegar (d) turmeric powder
  33. 33.True or false: a battery cell is not needed for the static comb. (a) False (b) True
  34. 34.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a plastic comb (c) tiny paper bits (d) dry hair
  35. 35.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  36. 36.⚡ Which of these jumps to a charged comb? (a) a brick (b) puffed rice (c) a pebble (d) a heavy book
  37. 37.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) nothing happens (d) they turn wet
  38. 38.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  39. 39.⚡ 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
  40. 40.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move

Answer key

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

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