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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 147 · 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) tiny paper bits (b) a balloon (c) turmeric powder (d) dry hair
  2. 2.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
  3. 3.True or false: yeast is not needed for the static comb. (a) False (b) True
  4. 4.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a thin water stream (d) a heavy book
  5. 5.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  6. 6.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) yeast (d) tiny paper bits
  7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
  8. 8.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) yeast (c) a magnet (d) vinegar
  9. 9.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) the wind (d) lightning
  10. 10.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) number of rubs (c) the same hair (d) the same comb
  12. 12.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
  14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a mirror (d) a plastic comb
  15. 15.True or false: vinegar is not needed for the static comb. (a) False (b) True
  16. 16.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  17. 17.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
  18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
  19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a battery cell (d) a plastic comb
  20. 20.True or false: a battery cell is needed for the static comb. (a) False (b) True
  21. 21.True or false: a pebble does not move to a charged comb. (a) False (b) True
  22. 22.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  23. 23.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
  24. 24.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) a balloon (d) a battery cell
  25. 25.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
  26. 26.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the water stops (d) the stream bends
  27. 27.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) tiny paper bits (d) a heavy book
  28. 28.True or false: puffed rice does not move to a charged comb. (a) False (b) True
  29. 29.⚖️ 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 change it (c) we keep it the same
  30. 30.True or false: a balloon is not needed for the static comb. (a) True (b) False
  31. 31.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
  32. 32.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  33. 33.True or false: a brick does not move to a charged comb. (a) False (b) True
  34. 34.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a heavy book (d) thermocol bits
  35. 35.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
  36. 36.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) a pebble (d) a thin water stream
  37. 37.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
  38. 38.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) puffed rice (d) tiny paper bits
  39. 39.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) a balloon (c) tiny paper bits (d) dry hair
  40. 40.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a pebble (d) a steel spoon

Answer key

  1. turmeric powder
  2. False
  3. True
  4. a thin water stream
  5. needed
  6. tiny paper bits
  7. we change it
  8. a plastic comb
  9. lightning
  10. not needed
  11. paper bits picked up
  12. needed
  13. we measure it
  14. a mirror
  15. True
  16. not needed
  17. plug points at home
  18. we keep it the same
  19. a battery cell
  20. False
  21. True
  22. jumps to the comb
  23. jumps to the comb
  24. a balloon
  25. False
  26. the stream bends
  27. a heavy book
  28. False
  29. we keep it the same
  30. False
  31. indoors
  32. needed
  33. True
  34. thermocol bits
  35. True
  36. a pebble
  37. jumps to the comb
  38. a brick
  39. turmeric powder
  40. dry hair

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