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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 285 · 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: number of rubs is kept the same. (a) True (b) False
  2. 2.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) paper bits on a comb (d) a rubbed plastic comb
  3. 3.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) the bits jump to it (d) they turn wet
  4. 4.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) a thin water stream (c) tiny paper bits (d) puffed rice
  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.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  7. 7.🧺 Which of these is needed for the static comb? (a) yeast (b) vinegar (c) a battery cell (d) tiny paper bits
  8. 8.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  9. 9.True or false: a plastic comb is needed for the static comb. (a) True (b) False
  10. 10.⚖️ 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
  11. 11.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  12. 12.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  13. 13.⚖️ 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
  14. 14.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
  15. 15.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) tiny paper bits (d) a heavy book
  16. 16.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) a balloon (d) yeast
  17. 17.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) a brick (d) tiny paper bits
  18. 18.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  19. 19.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
  20. 20.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  21. 21.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
  22. 22.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a battery cell
  23. 23.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
  25. 25.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
  26. 26.True or false: yeast is needed for the static comb. (a) False (b) True
  27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a magnet (d) tiny paper bits
  28. 28.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
  29. 29.True or false: a mirror is needed for the static comb. (a) True (b) False
  30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) yeast (c) a plastic comb (d) a balloon
  31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a plastic comb (c) tiny paper bits (d) dry hair
  32. 32.True or false: puffed rice jumps to a charged comb. (a) True (b) False
  33. 33.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
  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) paper bits picked up (d) the same comb
  36. 36.True or false: a brick jumps to a charged comb. (a) True (b) False
  37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) puffed rice (d) a pebble
  39. 39.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a magnet (c) a balloon (d) a plastic comb
  40. 40.True or false: dry hair is not needed for the static comb. (a) False (b) True

Answer key

  1. False
  2. plug points at home
  3. the bits jump to it
  4. a steel spoon
  5. False
  6. does not move
  7. tiny paper bits
  8. needed
  9. True
  10. we keep it the same
  11. does not move
  12. not needed
  13. False
  14. static electricity
  15. tiny paper bits
  16. a balloon
  17. a brick
  18. jumps to the comb
  19. True
  20. needed
  21. True
  22. a battery cell
  23. jumps to the comb
  24. True
  25. indoors
  26. False
  27. a magnet
  28. False
  29. False
  30. yeast
  31. a battery cell
  32. True
  33. not needed
  34. False
  35. number of rubs
  36. False
  37. True
  38. puffed rice
  39. a magnet
  40. False

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