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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 877 · 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.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a brick (c) a heavy book (d) a pebble
  2. 2.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  3. 3.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
  4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) number of rubs (c) paper bits picked up (d) the paper bit size
  5. 5.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) vinegar (d) dry hair
  6. 6.🧺 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) a plastic comb
  7. 7.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  8. 8.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
  9. 9.🔮 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
  10. 10.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a battery cell (d) tiny paper bits
  12. 12.⚖️ 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) True (b) False
  13. 13.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) dry hair (d) a magnet
  14. 14.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  15. 15.True or false: dry hair is not needed for the static comb. (a) False (b) True
  16. 16.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) the bits jump to it (d) they turn wet
  17. 17.True or false: a balloon is needed for the static comb. (a) True (b) False
  18. 18.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) puffed rice (d) a thin water stream
  19. 19.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a thin water stream (d) a heavy book
  20. 20.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) a battery cell (d) a balloon
  21. 21.⚖️ 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 change it (c) we measure it
  22. 22.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
  24. 24.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
  25. 25.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it works better (d) it lights up
  26. 26.True or false: yeast is not needed for the static comb. (a) True (b) False
  27. 27.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  28. 28.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) a heavy book (d) a brick
  29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) dry hair (d) a plastic comb
  30. 30.🧺 Which of these is not needed for the static comb? (a) a balloon (b) turmeric powder (c) dry hair (d) a plastic comb
  31. 31.True or false: a magnet is needed for the static comb. (a) True (b) False
  32. 32.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  33. 33.True or false: puffed rice jumps to a charged comb. (a) False (b) True
  34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) distance to the paper (c) paper bits picked up (d) the same hair
  35. 35.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
  36. 36.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  37. 37.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a brick (d) puffed rice
  38. 38.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  39. 39.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
  40. 40.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed

Answer key

  1. dry hair
  2. not needed
  3. jumps to the comb
  4. number of rubs
  5. vinegar
  6. a magnet
  7. needed
  8. plug points at home
  9. it sticks for a while
  10. needed
  11. a battery cell
  12. False
  13. dry hair
  14. needed
  15. False
  16. the bits jump to it
  17. True
  18. a heavy book
  19. a thin water stream
  20. a balloon
  21. we keep it the same
  22. not needed
  23. False
  24. lightning
  25. it hardly works
  26. True
  27. False
  28. thermocol bits
  29. a mirror
  30. turmeric powder
  31. False
  32. jumps to the comb
  33. True
  34. paper bits picked up
  35. True
  36. True
  37. puffed rice
  38. does not move
  39. the stream bends
  40. not needed

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