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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 769 · 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.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  2. 2.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) dry hair (c) a brick (d) a pebble
  3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
  4. 4.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) vinegar (d) a plastic comb
  6. 6.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) tiny paper bits (d) a thin water stream
  7. 7.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
  8. 8.⚖️ 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) the same comb (d) the same hair
  9. 9.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) the wind (d) lightning
  10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) yeast
  11. 11.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
  12. 12.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it falls straight down (d) it turns into water
  13. 13.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a brick (c) a steel spoon (d) a heavy book
  14. 14.True or false: vinegar is not needed for the static comb. (a) True (b) False
  15. 15.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  16. 16.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a plastic comb (c) dry hair (d) a balloon
  17. 17.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) vinegar (c) a mirror (d) a balloon
  18. 18.🔍 Which is the odd one out? (a) dry hair (b) a pebble (c) a brick (d) a steel spoon
  19. 19.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) thermocol bits (d) a thin water stream
  20. 20.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it
  21. 21.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) puffed rice (c) dry hair (d) tiny paper bits
  22. 22.True or false: turmeric powder is needed for the static comb. (a) False (b) True
  23. 23.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) a pebble (d) dry hair
  24. 24.🧺 Which of these is needed for the static comb? (a) a magnet (b) dry hair (c) a mirror (d) vinegar
  25. 25.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
  26. 26.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  27. 27.True or false: dry hair does not move to a charged comb. (a) False (b) True
  28. 28.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  29. 29.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) tiny paper bits (d) yeast
  30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) tiny paper bits (d) dry hair
  31. 31.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  32. 32.⚖️ 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
  33. 33.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) thermocol bits (d) dry hair
  34. 34.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) yeast
  35. 35.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  36. 36.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  37. 37.⚖️ 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) the paper bit size (c) number of rubs (d) paper bits picked up
  38. 38.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
  39. 39.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) a pebble (d) a heavy book
  40. 40.True or false: a heavy book jumps to a charged comb. (a) False (b) True

Answer key

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

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