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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 779 · 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 is needed for the static comb? (a) a mirror (b) yeast (c) a plastic comb (d) a battery cell
  2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
  3. 3.⚖️ 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
  4. 4.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  5. 5.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
  7. 7.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a brick (d) dry hair
  8. 8.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
  9. 9.True or false: a battery cell is needed for the static comb. (a) False (b) True
  10. 10.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  11. 11.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
  13. 13.True or false: a balloon is needed for the static comb. (a) False (b) True
  14. 14.⚖️ 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
  15. 15.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a battery cell (c) dry hair (d) a plastic comb
  16. 16.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed plastic comb (d) a rubbed balloon
  17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a balloon (d) turmeric powder
  18. 18.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) lightning (d) the wind
  19. 19.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) tiny paper bits (d) a heavy book
  20. 20.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) puffed rice (d) tiny paper bits
  21. 21.🧺 Which of these is needed for the static comb? (a) a balloon (b) a battery cell (c) vinegar (d) yeast
  22. 22.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) they turn wet (d) the bits jump to it
  23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) a balloon (d) dry hair
  24. 24.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) tiny paper bits (d) puffed rice
  25. 25.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) dry hair (c) a mirror (d) a magnet
  26. 26.⚖️ 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
  27. 27.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
  28. 28.True or false: puffed rice jumps to a charged comb. (a) True (b) False
  29. 29.True or false: a magnet is needed for the static comb. (a) False (b) True
  30. 30.True or false: a plastic comb is needed for the static comb. (a) True (b) False
  31. 31.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it turns into water (d) it bursts at once
  32. 32.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  33. 33.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  34. 34.🧺 Which of these is not needed for the static comb? (a) yeast (b) tiny paper bits (c) a balloon (d) a plastic comb
  35. 35.True or false: yeast is not needed for the static comb. (a) False (b) True
  36. 36.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  37. 37.True or false: vinegar is needed for the static comb. (a) True (b) False
  38. 38.True or false: a mirror is not needed for the static comb. (a) True (b) False
  39. 39.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  40. 40.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it works better (d) it lights up

Answer key

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

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