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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 614 · 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.True or false: dry hair is needed for the static comb. (a) True (b) False
  2. 2.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
  3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) plug points at home (d) a rubbed balloon
  4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
  5. 5.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) tiny paper bits (d) a brick
  6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a balloon (d) a battery cell
  7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) number of rubs (c) the paper bit size (d) distance to the paper
  8. 8.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  9. 9.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  10. 10.True or false: yeast is not needed for the static comb. (a) False (b) True
  11. 11.⚖️ 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
  12. 12.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) yeast (d) tiny paper bits
  14. 14.True or false: vinegar is needed for the static comb. (a) True (b) False
  15. 15.True or false: dry hair does not move 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 “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
  17. 17.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a pebble (c) a brick (d) a steel spoon
  18. 18.⚡ Which of these jumps to a charged comb? (a) a brick (b) a thin water stream (c) a steel spoon (d) a heavy book
  19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a mirror
  20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
  21. 21.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  22. 22.🔍 Which is the odd one out? (a) a pebble (b) a thin water stream (c) dry hair (d) tiny paper bits
  23. 23.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a heavy book (c) a brick (d) a pebble
  24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a magnet (d) a balloon
  25. 25.⚖️ 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) distance to the paper (c) the same comb (d) the paper bit size
  26. 26.⚖️ 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
  27. 27.🧺 Which of these is not needed for the static comb? (a) a mirror (b) tiny paper bits (c) dry hair (d) a plastic comb
  28. 28.True or false: dry hair is not needed for the static comb. (a) True (b) False
  29. 29.True or false: yeast is needed for the static comb. (a) True (b) False
  30. 30.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
  31. 31.True or false: vinegar is not needed for the static comb. (a) True (b) False
  32. 32.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it has static charge (d) it is hot
  33. 33.⚖️ 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
  34. 34.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) a steel spoon (d) dry hair
  35. 35.True or false: a battery cell is needed for the static comb. (a) False (b) True
  36. 36.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water stops (d) the water freezes
  37. 37.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  38. 38.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a heavy book (c) a thin water stream (d) puffed rice
  39. 39.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  40. 40.⚖️ 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 change it (c) we keep it the same

Answer key

  1. True
  2. does not move
  3. plug points at home
  4. False
  5. a brick
  6. a battery cell
  7. number of rubs
  8. does not move
  9. needed
  10. True
  11. True
  12. True
  13. yeast
  14. False
  15. False
  16. we change it
  17. puffed rice
  18. a thin water stream
  19. a mirror
  20. True
  21. True
  22. a pebble
  23. dry hair
  24. a magnet
  25. paper bits picked up
  26. distance to the paper
  27. a mirror
  28. False
  29. False
  30. it sticks for a while
  31. True
  32. it has static charge
  33. False
  34. a steel spoon
  35. False
  36. the stream bends
  37. not needed
  38. a heavy book
  39. not needed
  40. we keep it the same

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