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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 308 · 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.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) turmeric powder
  3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same hair (c) the same comb (d) paper bits picked up
  4. 4.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
  5. 5.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  6. 6.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
  7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) dry hair (c) tiny paper bits (d) a plastic comb
  8. 8.⚖️ 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
  9. 9.⚖️ 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
  10. 10.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) a thin water stream (d) a heavy book
  11. 11.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
  12. 12.⚖️ 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) the same comb (c) distance to the paper (d) the same hair
  13. 13.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
  14. 14.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) puffed rice (d) a brick
  15. 15.True or false: a heavy book jumps to a charged comb. (a) False (b) True
  16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
  17. 17.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a heavy book (d) a pebble
  18. 18.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  19. 19.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) a balloon (d) a mirror
  20. 20.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
  21. 21.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a thin water stream (d) a heavy book
  22. 22.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) the water stops (d) nothing at all
  23. 23.True or false: a mirror is not needed for the static comb. (a) True (b) False
  24. 24.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a steel spoon (d) a brick
  25. 25.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) tiny paper bits (d) puffed rice
  26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a magnet (c) dry hair (d) a balloon
  27. 27.⚖️ 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) True (b) False
  28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a plastic comb (c) a balloon (d) dry hair
  29. 29.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it is a magnet (d) it has static charge
  30. 30.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) tiny paper bits (d) yeast
  31. 31.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
  32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
  33. 33.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) a pebble (d) a heavy book
  34. 34.True or false: vinegar is needed for the static comb. (a) True (b) False
  35. 35.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  36. 36.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  37. 37.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) dry hair (d) a pebble
  38. 38.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
  39. 39.🛟 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
  40. 40.True or false: yeast is needed for the static comb. (a) True (b) False

Answer key

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

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