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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 9 · 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.🛟 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
  2. 2.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  3. 3.⚖️ 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) paper bits picked up (c) the paper bit size
  4. 4.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) the wind (d) lightning
  5. 5.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) dry hair (d) a pebble
  6. 6.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) damp air leaks charge (d) wet hair is magnetic
  7. 7.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a steel spoon (d) tiny paper bits
  8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) number of rubs (c) the same comb (d) distance to the paper
  9. 9.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  10. 10.⚖️ 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 keep it the same (c) we change it
  11. 11.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a brick (d) thermocol bits
  12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a magnet (d) dry hair
  13. 13.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a heavy book (d) puffed rice
  14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) yeast (c) a plastic comb (d) a balloon
  15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) number of rubs (c) paper bits picked up
  16. 16.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) a battery cell
  17. 17.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
  18. 18.🧺 Which of these is needed for the static comb? (a) a balloon (b) vinegar (c) a mirror (d) yeast
  19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
  20. 20.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  21. 21.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) a battery cell (d) vinegar
  22. 22.🧺 Which of these is not needed for the static comb? (a) a balloon (b) turmeric powder (c) a plastic comb (d) tiny paper bits
  23. 23.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  24. 24.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) a pebble (d) dry hair
  25. 25.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same comb (c) paper bits picked up (d) number of rubs
  27. 27.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  28. 28.True or false: vinegar is needed for the static comb. (a) False (b) True
  29. 29.⚖️ 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
  30. 30.True or false: a heavy book jumps to a charged comb. (a) True (b) False
  31. 31.True or false: vinegar is not needed for the static comb. (a) True (b) False
  32. 32.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
  33. 33.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) a brick (d) a steel spoon
  34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
  35. 35.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) a mirror
  36. 36.True or false: yeast is needed for the static comb. (a) False (b) True
  37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
  38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
  39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) tiny paper bits (d) a plastic comb
  40. 40.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb

Answer key

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

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