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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 582 · 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.⚖️ 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
  2. 2.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  3. 3.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  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 measure it (b) we change it (c) we keep it the same
  5. 5.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) a steel spoon (d) a thin water stream
  6. 6.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) dew (d) a rainbow
  7. 7.True or false: a brick does not move to a charged comb. (a) False (b) True
  8. 8.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
  9. 9.True or false: turmeric powder is needed for the static comb. (a) False (b) True
  10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a battery cell
  11. 11.⚖️ 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
  12. 12.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it has static charge (d) it is hot
  13. 13.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) turmeric powder
  14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) vinegar (d) a balloon
  15. 15.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) a thin water stream (d) thermocol bits
  16. 16.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) they turn wet (d) the bits jump to it
  17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) yeast (d) tiny paper bits
  18. 18.⚖️ 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 keep it the same (c) we measure it
  19. 19.⚖️ 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
  20. 20.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
  21. 21.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a brick (d) thermocol bits
  22. 22.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  23. 23.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  24. 24.🔮 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
  25. 25.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  26. 26.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a thin water stream (d) a pebble
  27. 27.🧺 Which of these is needed for the static comb? (a) a mirror (b) a plastic comb (c) a battery cell (d) a magnet
  28. 28.⚖️ 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) False (b) True
  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) paper bits picked up (c) distance to the paper (d) the same comb
  30. 30.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) turmeric powder
  32. 32.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
  33. 33.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  34. 34.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  35. 35.⚡ Which of these jumps to a charged comb? (a) a pebble (b) puffed rice (c) a heavy book (d) a steel spoon
  36. 36.True or false: a pebble does not move to a charged comb. (a) False (b) True
  37. 37.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) a mirror (d) tiny paper bits
  38. 38.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) tiny paper bits (d) thermocol bits
  39. 39.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) a heavy book (d) a pebble
  40. 40.True or false: a battery cell is not needed for the static comb. (a) True (b) False

Answer key

  1. False
  2. not needed
  3. needed
  4. we keep it the same
  5. a steel spoon
  6. lightning
  7. True
  8. True
  9. False
  10. a battery cell
  11. we change it
  12. it has static charge
  13. turmeric powder
  14. vinegar
  15. a pebble
  16. the bits jump to it
  17. yeast
  18. we measure it
  19. True
  20. False
  21. thermocol bits
  22. needed
  23. True
  24. it sticks for a while
  25. not needed
  26. a thin water stream
  27. a plastic comb
  28. False
  29. number of rubs
  30. not needed
  31. turmeric powder
  32. False
  33. jumps to the comb
  34. does not move
  35. puffed rice
  36. True
  37. tiny paper bits
  38. a heavy book
  39. thermocol bits
  40. True

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