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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 243 · 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) yeast (b) a plastic comb (c) a battery cell (d) vinegar
  2. 2.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  3. 3.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  4. 4.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
  5. 5.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  6. 6.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) a heavy book (d) tiny paper bits
  7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) vinegar
  8. 8.True or false: puffed rice jumps to a charged comb. (a) False (b) True
  9. 9.⚖️ 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
  10. 10.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) a pebble (d) a steel spoon
  11. 11.🛟 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
  12. 12.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) a brick (d) a steel spoon
  13. 13.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a brick (d) dry hair
  14. 14.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a pebble (d) thermocol bits
  15. 15.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) tiny paper bits (c) dry hair (d) a balloon
  16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) tiny paper bits (d) a plastic comb
  17. 17.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  18. 18.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a balloon (d) a magnet
  19. 19.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) a thin water stream (d) puffed rice
  20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a magnet (c) dry hair (d) a plastic comb
  21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) a battery cell
  22. 22.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) a steel spoon (d) puffed rice
  23. 23.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
  24. 24.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) puffed rice (c) a heavy book (d) a pebble
  25. 25.True or false: dry hair is not needed for the static comb. (a) False (b) True
  26. 26.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  27. 27.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
  28. 28.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
  29. 29.True or false: dry hair is needed for the static comb. (a) False (b) True
  30. 30.True or false: a magnet is not needed for the static comb. (a) False (b) True
  31. 31.⚡ 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
  32. 32.True or false: vinegar is not needed for the static comb. (a) True (b) False
  33. 33.True or false: yeast is needed for the static comb. (a) False (b) True
  34. 34.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  35. 35.True or false: a heavy book does not move to a charged comb. (a) True (b) False
  36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
  37. 37.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a thin water stream (c) a brick (d) a heavy book
  38. 38.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) vinegar (d) tiny paper bits
  39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
  40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False

Answer key

  1. a plastic comb
  2. not needed
  3. does not move
  4. it hardly works
  5. needed
  6. a heavy book
  7. vinegar
  8. True
  9. we change it
  10. a thin water stream
  11. indoors
  12. thermocol bits
  13. dry hair
  14. a pebble
  15. turmeric powder
  16. turmeric powder
  17. not needed
  18. a magnet
  19. a heavy book
  20. a magnet
  21. a battery cell
  22. a steel spoon
  23. static electricity
  24. puffed rice
  25. False
  26. not needed
  27. False
  28. plug points at home
  29. True
  30. True
  31. it has static charge
  32. True
  33. False
  34. needed
  35. True
  36. False
  37. a thin water stream
  38. tiny paper bits
  39. True
  40. False

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