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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 213 · 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.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
  2. 2.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) distance to the paper (c) the same hair (d) paper bits picked up
  4. 4.⚖️ 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 change it (c) we measure it
  5. 5.True or false: a balloon is not needed for the static comb. (a) False (b) True
  6. 6.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  7. 7.🛟 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 plastic comb (d) a rubbed balloon
  8. 8.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) lightning (d) the wind
  9. 9.⚖️ 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
  10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) tiny paper bits (d) a balloon
  11. 11.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) nothing happens (d) they turn blue
  12. 12.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) yeast (d) dry hair
  14. 14.⚖️ 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
  15. 15.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  16. 16.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
  18. 18.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
  19. 19.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) vinegar (d) a plastic comb
  20. 20.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
  21. 21.🔮 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 sticks for a while (d) it bursts at once
  22. 22.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  23. 23.True or false: a plastic comb is needed for the static comb. (a) True (b) False
  24. 24.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
  25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
  26. 26.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) thermocol bits (d) a thin water stream
  27. 27.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  28. 28.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) puffed rice (d) tiny paper bits
  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) distance to the paper (c) paper bits picked up (d) the same comb
  30. 30.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
  31. 31.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) a thin water stream (d) a pebble
  32. 32.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a pebble (d) dry hair
  33. 33.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  34. 34.True or false: a mirror is not needed for the static comb. (a) False (b) True
  35. 35.True or false: dry hair is needed for the static comb. (a) False (b) True
  36. 36.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet
  37. 37.True or false: vinegar is needed for the static comb. (a) True (b) False
  38. 38.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  39. 39.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  40. 40.True or false: puffed rice does not move to a charged comb. (a) False (b) True

Answer key

  1. indoors
  2. jumps to the comb
  3. paper bits picked up
  4. we keep it the same
  5. False
  6. does not move
  7. plug points at home
  8. lightning
  9. we keep it the same
  10. a magnet
  11. the bits jump to it
  12. not needed
  13. yeast
  14. we measure it
  15. not needed
  16. needed
  17. False
  18. True
  19. a plastic comb
  20. jumps to the comb
  21. it sticks for a while
  22. needed
  23. True
  24. not needed
  25. True
  26. a heavy book
  27. not needed
  28. a steel spoon
  29. number of rubs
  30. False
  31. a pebble
  32. dry hair
  33. does not move
  34. True
  35. True
  36. it hardly works
  37. False
  38. does not move
  39. not needed
  40. False

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