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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 383 · 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) tiny paper bits (c) vinegar (d) a magnet
  2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a mirror (d) tiny paper bits
  3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) a balloon (d) a plastic comb
  4. 4.⚖️ 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
  5. 5.True or false: a battery cell is not needed for the static comb. (a) True (b) False
  6. 6.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) puffed rice (d) a brick
  7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
  8. 8.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  9. 9.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) a thin water stream (d) a steel spoon
  10. 10.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) yeast
  11. 11.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a magnet (d) tiny paper bits
  12. 12.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) under a tall tree (d) on a rooftop
  13. 13.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  14. 14.🛟 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
  15. 15.True or false: a pebble does not move to a charged comb. (a) False (b) True
  16. 16.True or false: puffed rice jumps to a charged comb. (a) False (b) True
  17. 17.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a brick (c) a thin water stream (d) puffed rice
  18. 18.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) vinegar (d) a balloon
  19. 19.⚖️ 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
  20. 20.True or false: vinegar is not needed for the static comb. (a) False (b) True
  21. 21.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
  23. 23.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
  24. 24.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  25. 25.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  26. 26.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) turmeric powder (c) tiny paper bits (d) a balloon
  27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) dry hair (d) a balloon
  28. 28.True or false: dry hair does not move to a charged comb. (a) False (b) True
  29. 29.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet
  30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) number of rubs (c) the same comb (d) the same hair
  31. 31.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  32. 32.True or false: a balloon is needed for the static comb. (a) False (b) True
  33. 33.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) dry hair (d) a steel spoon
  34. 34.🧺 Which of these is needed for the static comb? (a) vinegar (b) yeast (c) dry hair (d) a magnet
  35. 35.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) sunlight (d) static electricity
  36. 36.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
  37. 37.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) a plastic comb (d) a magnet
  38. 38.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) a brick (d) a steel spoon
  39. 39.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) puffed rice (d) a heavy book
  40. 40.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) thermocol bits (d) a steel spoon

Answer key

  1. tiny paper bits
  2. a mirror
  3. a magnet
  4. we measure it
  5. True
  6. puffed rice
  7. we change it
  8. needed
  9. a steel spoon
  10. yeast
  11. a magnet
  12. indoors
  13. needed
  14. plug points at home
  15. True
  16. True
  17. a brick
  18. vinegar
  19. False
  20. True
  21. not needed
  22. False
  23. it sticks for a while
  24. True
  25. True
  26. turmeric powder
  27. vinegar
  28. False
  29. it hardly works
  30. number of rubs
  31. not needed
  32. True
  33. dry hair
  34. dry hair
  35. static electricity
  36. False
  37. a plastic comb
  38. puffed rice
  39. a heavy book
  40. thermocol bits

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