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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 604 · 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 “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
  2. 2.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  3. 3.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) a brick (d) puffed rice
  4. 4.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a pebble (d) dry hair
  5. 5.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) a battery cell
  6. 6.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) turmeric powder (d) dry hair
  7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) the same comb (c) paper bits picked up
  8. 8.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) they turn wet (d) the bits jump to it
  9. 9.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  10. 10.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) in an open field (d) on a rooftop
  11. 11.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the stream bends (d) the water freezes
  12. 12.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
  14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a battery cell (c) a balloon (d) dry hair
  15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
  16. 16.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  17. 17.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a steel spoon (d) a thin water stream
  18. 18.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) a plastic comb (d) a battery cell
  19. 19.True or false: a heavy book does not move to a charged comb. (a) True (b) False
  20. 20.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it lights up (d) it works better
  21. 21.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it turns into water (d) it bursts at once
  22. 22.⚖️ 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 paper bit size (c) paper bits picked up (d) the same hair
  23. 23.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  24. 24.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  25. 25.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) a rubbed balloon (d) plug points at home
  26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) vinegar (d) tiny paper bits
  27. 27.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a steel spoon (d) thermocol bits
  28. 28.True or false: a magnet is needed for the static comb. (a) False (b) True
  29. 29.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  30. 30.⚖️ 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) the same hair (c) number of rubs
  31. 31.⚖️ 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
  32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
  33. 33.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) turmeric powder (d) tiny paper bits
  34. 34.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  35. 35.True or false: a brick does not move to a charged comb. (a) True (b) False
  36. 36.⚖️ 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
  37. 37.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) tiny paper bits (d) a steel spoon
  39. 39.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) thermocol bits (d) dry hair
  40. 40.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a heavy book (d) dry hair

Answer key

  1. we measure it
  2. not needed
  3. a brick
  4. dry hair
  5. a battery cell
  6. dry hair
  7. the same comb
  8. the bits jump to it
  9. jumps to the comb
  10. indoors
  11. the stream bends
  12. not needed
  13. we keep it the same
  14. a battery cell
  15. we keep it the same
  16. False
  17. a thin water stream
  18. a plastic comb
  19. True
  20. it hardly works
  21. it sticks for a while
  22. number of rubs
  23. True
  24. needed
  25. plug points at home
  26. vinegar
  27. thermocol bits
  28. False
  29. does not move
  30. the same hair
  31. we keep it the same
  32. False
  33. turmeric powder
  34. needed
  35. True
  36. False
  37. True
  38. tiny paper bits
  39. a heavy book
  40. dry hair

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