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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 545 · 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.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) wet hair is magnetic (c) dry days are noisy (d) water adds charge
  2. 2.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a balloon (c) dry hair (d) a plastic comb
  3. 3.⚖️ 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
  4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a mirror (d) dry hair
  5. 5.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
  7. 7.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  8. 8.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
  9. 9.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  10. 10.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  11. 11.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
  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? True or false: paper bits picked up is what we measure. (a) True (b) False
  14. 14.True or false: dry hair jumps to a charged comb. (a) False (b) True
  15. 15.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
  16. 16.🔮 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
  17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) vinegar (d) a plastic comb
  18. 18.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
  19. 19.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) a battery cell (d) turmeric powder
  20. 20.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) indoors (d) in an open field
  21. 21.True or false: a magnet is needed for the static comb. (a) True (b) False
  22. 22.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) a steel spoon (d) thermocol bits
  23. 23.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  24. 24.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) dry hair (d) tiny paper bits
  26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) a plastic comb (d) tiny paper bits
  27. 27.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water stops (d) the water freezes
  28. 28.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) a plastic comb (c) dry hair (d) a balloon
  29. 29.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) dew (d) a rainbow
  30. 30.🧺 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 plastic comb
  31. 31.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  32. 32.⚖️ 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
  33. 33.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a heavy book (c) puffed rice (d) a thin water stream
  34. 34.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a pebble (d) puffed rice
  35. 35.True or false: puffed rice does not move to a charged comb. (a) False (b) True
  36. 36.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) vinegar (d) a plastic comb
  37. 37.True or false: puffed rice jumps to a charged comb. (a) False (b) True
  38. 38.🔍 Which is the odd one out? (a) a steel spoon (b) dry hair (c) a heavy book (d) a pebble
  39. 39.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) a mirror (d) a battery cell
  40. 40.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) a steel spoon (d) a pebble

Answer key

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

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