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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 607 · 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 does not move to a charged comb? (a) dry hair (b) puffed rice (c) a thin water stream (d) a heavy book
  2. 2.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  3. 3.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) dry hair (d) tiny paper bits
  4. 4.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
  5. 5.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) nothing happens (d) they turn blue
  6. 6.True or false: dry hair jumps to a charged comb. (a) True (b) False
  7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we change it (c) we measure it
  8. 8.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it becomes a magnet (d) it hardly works
  9. 9.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) in an open field (d) on a rooftop
  10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) tiny paper bits (d) a plastic comb
  11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) a balloon (d) dry hair
  12. 12.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
  13. 13.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  14. 14.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
  15. 15.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a thin water stream (c) a heavy book (d) a pebble
  16. 16.True or false: turmeric powder is needed for the static comb. (a) True (b) False
  17. 17.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) dry hair (d) a brick
  18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) vinegar
  19. 19.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  20. 20.True or false: puffed rice jumps to a charged comb. (a) True (b) False
  21. 21.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
  22. 22.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  23. 23.⚡ A rubbed comb is held near dry hair. 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 mirror (c) tiny paper bits (d) yeast
  25. 25.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) tiny paper bits (d) a pebble
  26. 26.🧺 Which of these is needed for the static comb? (a) vinegar (b) dry hair (c) a mirror (d) a battery cell
  27. 27.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) vinegar (c) a magnet (d) a mirror
  28. 28.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  29. 29.🔮 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
  30. 30.⚖️ 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
  31. 31.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) thermocol bits (d) a heavy book
  32. 32.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
  33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) the same comb
  34. 34.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
  35. 35.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  36. 36.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a brick (d) thermocol bits
  37. 37.⚖️ 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
  38. 38.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  39. 39.True or false: a battery cell is not needed for the static comb. (a) True (b) False
  40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) the paper bit size

Answer key

  1. a heavy book
  2. True
  3. a steel spoon
  4. False
  5. the bits jump to it
  6. True
  7. we keep it the same
  8. it hardly works
  9. indoors
  10. turmeric powder
  11. a magnet
  12. jumps to the comb
  13. not needed
  14. plug points at home
  15. a thin water stream
  16. False
  17. dry hair
  18. vinegar
  19. does not move
  20. True
  21. the stream bends
  22. does not move
  23. jumps to the comb
  24. tiny paper bits
  25. a pebble
  26. dry hair
  27. a plastic comb
  28. needed
  29. it sticks for a while
  30. we change it
  31. a heavy book
  32. True
  33. the same comb
  34. static electricity
  35. not needed
  36. thermocol bits
  37. we keep it the same
  38. not needed
  39. True
  40. the paper bit size

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