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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 726 · 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.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) tiny paper bits (c) a brick (d) a steel spoon
  2. 2.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we keep it the same (c) we change it
  4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) yeast (c) a balloon (d) a plastic comb
  5. 5.⚖️ 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
  6. 6.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  7. 7.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
  8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) tiny paper bits (d) a balloon
  9. 9.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
  10. 10.True or false: dry hair does not move to a charged comb. (a) False (b) True
  11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a mirror
  12. 12.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) lightning (c) dew (d) the wind
  13. 13.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  14. 14.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
  15. 15.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  16. 16.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a steel spoon (d) puffed rice
  17. 17.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) turmeric powder (d) dry hair
  18. 18.⚖️ 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) False (b) True
  19. 19.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  20. 20.⚖️ 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
  21. 21.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
  22. 22.🧺 Which of these is needed for the static comb? (a) a magnet (b) a balloon (c) yeast (d) turmeric powder
  23. 23.⚖️ 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
  24. 24.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
  25. 25.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) under a tall tree (d) indoors
  26. 26.⚡ Which of these does not move to a charged comb? (a) a brick (b) thermocol bits (c) dry hair (d) a thin water stream
  27. 27.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) dry hair (d) turmeric powder
  28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) a battery cell
  29. 29.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a brick (d) tiny paper bits
  30. 30.🧺 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
  31. 31.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it works better (d) it becomes a magnet
  32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we change it (c) we keep it the same
  33. 33.True or false: a heavy book jumps to a charged comb. (a) False (b) True
  34. 34.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) yeast (c) a magnet (d) tiny paper bits
  35. 35.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  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? Which of these is the one thing we change? (a) the paper bit size (b) distance to the paper (c) paper bits picked up (d) number of rubs
  38. 38.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) thermocol bits (c) a heavy book (d) a pebble
  39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
  40. 40.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a steel spoon (d) thermocol bits

Answer key

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

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