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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 249 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
  2. 2.⚖️ 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
  3. 3.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
  4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
  5. 5.True or false: puffed rice jumps to a charged comb. (a) True (b) False
  6. 6.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  7. 7.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  8. 8.True or false: yeast is needed for the static comb. (a) True (b) False
  9. 9.🛟 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
  10. 10.True or false: a plastic comb is needed for the static comb. (a) True (b) False
  11. 11.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
  12. 12.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  13. 13.True or false: a heavy book does not move to a charged comb. (a) False (b) True
  14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) the same comb (c) paper bits picked up
  15. 15.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a heavy book (d) a steel spoon
  16. 16.True or false: a magnet is not needed for the static comb. (a) True (b) False
  17. 17.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a thin water stream (d) a heavy book
  18. 18.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) yeast (d) tiny paper bits
  19. 19.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) tiny paper bits (d) a heavy book
  20. 20.⚡ Which of these jumps to a charged comb? (a) a pebble (b) thermocol bits (c) a heavy book (d) a steel spoon
  21. 21.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) a balloon (d) a battery cell
  22. 22.True or false: dry hair is not needed for the static comb. (a) False (b) True
  23. 23.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) static electricity (d) magnetism
  24. 24.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) dry days are noisy (d) damp air leaks charge
  25. 25.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) a heavy book (d) a thin water stream
  26. 26.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  27. 27.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  28. 28.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) thermocol bits (d) a brick
  29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a mirror
  30. 30.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) puffed rice (d) a pebble
  31. 31.True or false: a heavy book jumps to a charged comb. (a) False (b) True
  32. 32.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) puffed rice (c) a thin water stream (d) tiny paper bits
  33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
  34. 34.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
  35. 35.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it becomes a magnet (d) it works better
  36. 36.⚖️ 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
  37. 37.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  38. 38.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a brick (c) puffed rice (d) a thin water stream
  39. 39.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  40. 40.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a heavy book (d) puffed rice

Answer key

  1. True
  2. we measure it
  3. False
  4. True
  5. True
  6. needed
  7. True
  8. False
  9. plug points at home
  10. True
  11. indoors
  12. needed
  13. True
  14. the same comb
  15. tiny paper bits
  16. True
  17. a heavy book
  18. tiny paper bits
  19. tiny paper bits
  20. thermocol bits
  21. a balloon
  22. False
  23. static electricity
  24. damp air leaks charge
  25. a thin water stream
  26. jumps to the comb
  27. needed
  28. a brick
  29. a mirror
  30. a pebble
  31. False
  32. a steel spoon
  33. True
  34. the bits jump to it
  35. it hardly works
  36. number of rubs
  37. not needed
  38. a brick
  39. False
  40. a heavy book

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