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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 694 · 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.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
  2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
  3. 3.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) yeast (d) dry hair
  5. 5.⚖️ 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 measure it (c) we keep it the same
  6. 6.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a thin water stream (d) a brick
  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) paper bits picked up (c) distance to the paper
  8. 8.⚡ 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) they turn wet (d) nothing happens
  9. 9.🧺 Which of these is needed for the static comb? (a) vinegar (b) yeast (c) a magnet (d) dry hair
  10. 10.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) a thin water stream (d) a steel spoon
  11. 11.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) a balloon (d) a battery cell
  12. 12.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) lightning (c) the wind (d) dew
  13. 13.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the water stops (d) the stream bends
  14. 14.⚖️ 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 comb (c) distance to the paper (d) number of rubs
  15. 15.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) a mirror (d) yeast
  16. 16.⚖️ 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 same comb
  17. 17.True or false: a pebble does not move to a charged comb. (a) True (b) False
  18. 18.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
  19. 19.🔍 Which is the odd one out? (a) dry hair (b) a brick (c) puffed rice (d) tiny paper bits
  20. 20.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) tiny paper bits (d) a magnet
  21. 21.⚖️ 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) False (b) True
  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) the paper bit size (b) number of rubs (c) distance to the paper (d) paper bits picked up
  23. 23.🧺 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
  24. 24.⚖️ 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
  25. 25.True or false: a magnet is not needed for the static comb. (a) True (b) False
  26. 26.True or false: a balloon is needed for the static comb. (a) False (b) True
  27. 27.🔍 Which is the odd one out? (a) puffed rice (b) a steel spoon (c) a heavy book (d) a pebble
  28. 28.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
  29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
  30. 30.⚖️ 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 paper bit size (c) paper bits picked up
  31. 31.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a mirror (d) a plastic comb
  33. 33.⚖️ 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
  34. 34.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) dry days are noisy (c) water adds charge (d) wet hair is magnetic
  35. 35.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a pebble (c) tiny paper bits (d) dry hair
  36. 36.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is sticky (d) it is a magnet
  37. 37.🛟 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 balloon (d) a rubbed plastic comb
  38. 38.True or false: turmeric powder is needed for the static comb. (a) True (b) False
  39. 39.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
  40. 40.🧺 Do we need yeast for the static comb? (a) not needed (b) needed

Answer key

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

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