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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 386 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) yeast (d) dry hair
  2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
  3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a magnet (d) a balloon
  4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
  5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it
  6. 6.True or false: a pebble jumps to a charged comb. (a) True (b) False
  7. 7.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  8. 8.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) a battery cell (d) tiny paper bits
  9. 9.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) thermocol bits (d) a pebble
  10. 10.True or false: vinegar is not needed for the static comb. (a) True (b) False
  11. 11.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
  12. 12.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  13. 13.⚖️ 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) number of rubs (c) paper bits picked up (d) the paper bit size
  14. 14.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
  15. 15.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
  16. 16.True or false: a plastic comb is needed for the static comb. (a) True (b) False
  17. 17.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  18. 18.⚖️ 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 measure it (c) we keep it the same
  19. 19.🧺 Which of these is not needed for the static comb? (a) dry hair (b) yeast (c) a plastic comb (d) a balloon
  20. 20.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) dry hair (d) a steel spoon
  21. 21.⚖️ 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
  22. 22.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it has static charge (d) it is hot
  23. 23.⚖️ 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) True (b) False
  24. 24.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) thermocol bits (d) a pebble
  25. 25.True or false: yeast is not needed for the static comb. (a) True (b) False
  26. 26.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it bursts at once (d) it turns into water
  27. 27.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
  28. 28.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) vinegar (d) dry hair
  29. 29.⚖️ 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 hair (c) the paper bit size (d) the same comb
  30. 30.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a thin water stream (d) a brick
  31. 31.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
  32. 32.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  33. 33.⚖️ 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
  34. 34.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) puffed rice
  35. 35.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  36. 36.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) tiny paper bits (d) a mirror
  37. 37.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) dry hair (b) a brick (c) thermocol bits (d) a thin water stream
  39. 39.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
  40. 40.⚖️ 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

Answer key

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

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