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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 7 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) dry hair (d) tiny paper bits
  2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a battery cell (d) a balloon
  3. 3.True or false: yeast is needed for the static comb. (a) False (b) True
  4. 4.True or false: vinegar is not needed for the static comb. (a) True (b) False
  5. 5.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) tiny paper bits (c) a brick (d) a pebble
  6. 6.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) a pebble (d) puffed rice
  7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) number of rubs (c) the paper bit size (d) the same comb
  8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a balloon (d) turmeric powder
  9. 9.⚖️ 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) False (b) True
  10. 10.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a magnet
  11. 11.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a battery cell (c) dry hair (d) a balloon
  12. 12.⚖️ 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) paper bits picked up (c) the paper bit size
  13. 13.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) plug points at home (d) a rubbed plastic comb
  14. 14.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  15. 15.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) a plastic comb (d) yeast
  16. 16.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) tiny paper bits (d) vinegar
  17. 17.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
  18. 18.True or false: a balloon is not needed for the static comb. (a) True (b) False
  19. 19.🧺 Which of these is needed for the static comb? (a) a battery cell (b) dry hair (c) turmeric powder (d) a magnet
  20. 20.True or false: puffed rice does not move to a charged comb. (a) True (b) False
  21. 21.⚖️ 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
  22. 22.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) a heavy book (d) a pebble
  23. 23.True or false: a heavy book jumps to a charged comb. (a) False (b) True
  24. 24.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) puffed rice (d) a brick
  25. 25.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) lightning (d) the wind
  26. 26.🛟 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
  27. 27.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) they turn wet (d) nothing happens
  28. 28.True or false: a brick jumps to a charged comb. (a) True (b) False
  29. 29.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) a magnet (d) tiny paper bits
  30. 30.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
  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.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) a heavy book (d) tiny paper bits
  33. 33.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) a steel spoon (d) a pebble
  34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
  35. 35.🔍 Which is the odd one out? (a) a steel spoon (b) dry hair (c) a brick (d) a pebble
  36. 36.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
  37. 37.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a pebble (d) a thin water stream
  38. 38.🔍 Which is the odd one out? (a) dry hair (b) a pebble (c) puffed rice (d) tiny paper bits
  39. 39.⚖️ 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
  40. 40.🧺 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) yeast

Answer key

  1. a magnet
  2. a battery cell
  3. False
  4. True
  5. tiny paper bits
  6. a pebble
  7. number of rubs
  8. turmeric powder
  9. False
  10. a magnet
  11. a battery cell
  12. the paper bit size
  13. plug points at home
  14. not needed
  15. a plastic comb
  16. vinegar
  17. jumps to the comb
  18. False
  19. dry hair
  20. False
  21. we change it
  22. puffed rice
  23. False
  24. a brick
  25. lightning
  26. indoors
  27. the bits jump to it
  28. False
  29. tiny paper bits
  30. True
  31. it has static charge
  32. a heavy book
  33. tiny paper bits
  34. False
  35. dry hair
  36. False
  37. a thin water stream
  38. a pebble
  39. False
  40. yeast

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