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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 311 · 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.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
  2. 2.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a pebble (d) a steel spoon
  3. 3.🔍 Which is the odd one out? (a) a pebble (b) a thin water stream (c) a brick (d) a heavy book
  4. 4.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
  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 change it (c) we measure it
  7. 7.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) a brick (d) dry hair
  8. 8.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
  9. 9.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) tiny paper bits (d) vinegar
  10. 10.🧺 Which of these is needed for the static comb? (a) a balloon (b) vinegar (c) turmeric powder (d) a battery cell
  11. 11.🛟 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
  12. 12.True or false: a pebble does not move to a charged comb. (a) True (b) False
  13. 13.🧺 Which of these is not needed for the static comb? (a) a balloon (b) vinegar (c) dry hair (d) a plastic comb
  14. 14.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) the wind (d) a rainbow
  15. 15.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn wet (d) they turn blue
  16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
  17. 17.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) thermocol bits (d) a steel spoon
  18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) tiny paper bits (c) a balloon (d) dry hair
  19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) yeast (d) a balloon
  20. 20.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) sunlight (d) static electricity
  21. 21.True or false: a heavy book jumps to a charged comb. (a) False (b) True
  22. 22.⚖️ 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
  23. 23.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  24. 24.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) yeast (d) tiny paper bits
  25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
  26. 26.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a heavy book (c) a pebble (d) a steel spoon
  27. 27.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) puffed rice (d) a pebble
  28. 28.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) a plastic comb (d) vinegar
  29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs
  30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
  31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) a balloon (d) a plastic comb
  32. 32.🔮 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
  33. 33.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
  34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
  35. 35.⚖️ 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 hair (d) the same comb
  36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) dry hair (c) a balloon (d) a plastic comb
  37. 37.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
  38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
  39. 39.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) thermocol bits (d) a heavy book
  40. 40.🔮 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

Answer key

  1. it hardly works
  2. dry hair
  3. a thin water stream
  4. jumps to the comb
  5. False
  6. we keep it the same
  7. a brick
  8. jumps to the comb
  9. tiny paper bits
  10. a balloon
  11. indoors
  12. True
  13. vinegar
  14. lightning
  15. the bits jump to it
  16. we keep it the same
  17. a steel spoon
  18. turmeric powder
  19. yeast
  20. static electricity
  21. False
  22. we keep it the same
  23. not needed
  24. yeast
  25. False
  26. thermocol bits
  27. puffed rice
  28. a plastic comb
  29. the same hair
  30. False
  31. a mirror
  32. the stream bends
  33. jumps to the comb
  34. False
  35. number of rubs
  36. vinegar
  37. True
  38. False
  39. thermocol bits
  40. it sticks for a while

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