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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 939 · 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.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a brick (d) dry hair
  2. 2.True or false: a magnet is not needed for the static comb. (a) True (b) False
  3. 3.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it turns into water (d) it falls straight down
  4. 4.⚖️ 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 measure it (c) we change it
  5. 5.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a heavy book (c) thermocol bits (d) tiny paper bits
  6. 6.True or false: vinegar is not needed for the static comb. (a) False (b) True
  7. 7.True or false: a battery cell is not needed for the static comb. (a) False (b) True
  8. 8.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) dry hair (d) a mirror
  9. 9.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) tiny paper bits (d) a thin water stream
  10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) a rubbed plastic comb (d) paper bits on a comb
  11. 11.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a heavy book (d) a pebble
  12. 12.⚖️ 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 comb (b) paper bits picked up (c) number of rubs (d) the paper bit size
  13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) vinegar (d) dry hair
  14. 14.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
  15. 15.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
  16. 16.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a heavy book (d) thermocol bits
  17. 17.⚖️ 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) False (b) True
  18. 18.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
  19. 19.⚖️ 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) False (b) True
  20. 20.True or false: dry hair is needed for the static comb. (a) True (b) False
  21. 21.⚖️ 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
  22. 22.True or false: a brick jumps to a charged comb. (a) True (b) False
  23. 23.⚖️ 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
  24. 24.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) a brick (d) a thin water stream
  25. 25.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
  26. 26.True or false: tiny paper bits is not 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) a mirror (b) a balloon (c) dry hair (d) tiny paper bits
  28. 28.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
  29. 29.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) yeast (d) a plastic comb
  31. 31.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
  32. 32.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) a thin water stream (d) a brick
  33. 33.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
  34. 34.True or false: a heavy book does not move to a charged comb. (a) False (b) True
  35. 35.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) tiny paper bits (d) a mirror
  36. 36.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
  37. 37.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) dry hair (d) a steel spoon
  38. 38.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) a magnet (d) a plastic comb
  39. 39.⚡ 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
  40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False

Answer key

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

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