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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 516 · 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.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  2. 2.True or false: a heavy book jumps to a charged comb. (a) False (b) True
  3. 3.⚖️ 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
  4. 4.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a heavy book (d) puffed rice
  5. 5.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  6. 6.🛟 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
  7. 7.🧺 Which of these is needed for the static comb? (a) yeast (b) dry hair (c) a battery cell (d) vinegar
  8. 8.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  9. 9.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  10. 10.True or false: a battery cell is needed for the static comb. (a) True (b) False
  11. 11.⚖️ 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) the paper bit size (d) number of rubs
  12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
  13. 13.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed plastic comb (d) a rubbed balloon
  14. 14.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) thermocol bits (d) a brick
  15. 15.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  16. 16.True or false: vinegar is not needed for the static comb. (a) False (b) True
  17. 17.🔮 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 falls straight down (d) it turns into water
  18. 18.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
  19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a mirror (d) a balloon
  20. 20.True or false: a heavy book does not move to a charged comb. (a) True (b) False
  21. 21.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) a rainbow (d) dew
  22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) dry hair (d) tiny paper bits
  23. 23.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  24. 24.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn blue (d) they turn wet
  25. 25.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a balloon (c) yeast (d) a mirror
  26. 26.True or false: a brick does not move to a charged comb. (a) False (b) True
  27. 27.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
  28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
  29. 29.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
  30. 30.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) a pebble (d) a heavy book
  31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) a balloon (d) tiny paper bits
  32. 32.⚡ Which of these jumps to a charged comb? (a) a pebble (b) tiny paper bits (c) a brick (d) a heavy book
  33. 33.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) thermocol bits (d) a heavy book
  34. 34.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) a plastic comb (d) turmeric powder
  35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) distance to the paper (c) number of rubs
  36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) yeast (d) a balloon
  37. 37.True or false: a magnet is needed for the static comb. (a) True (b) False
  38. 38.⚖️ 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) False (b) True
  39. 39.⚖️ 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
  40. 40.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) a pebble (d) puffed rice

Answer key

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

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