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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 496 · 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.True or false: vinegar is not needed for the static comb. (a) False (b) True
  2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) dry hair (c) a plastic comb (d) tiny paper bits
  3. 3.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
  4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
  5. 5.⚖️ 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
  6. 6.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
  7. 7.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) a steel spoon (d) a pebble
  8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) tiny paper bits (d) dry hair
  9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) turmeric powder (d) tiny paper bits
  10. 10.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a heavy book (d) thermocol bits
  11. 11.🛟 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
  12. 12.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  13. 13.⚖️ 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
  14. 14.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) yeast (d) a plastic comb
  15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) a balloon (d) a plastic comb
  16. 16.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  17. 17.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
  18. 18.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) a pebble (d) dry hair
  19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same
  20. 20.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  21. 21.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  22. 22.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a thin water stream (c) a brick (d) a heavy book
  23. 23.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is sticky (d) it is a magnet
  24. 24.⚖️ 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) distance to the paper
  25. 25.⚖️ 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) True (b) False
  26. 26.⚖️ 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) the same hair (c) paper bits picked up (d) number of rubs
  27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) distance to the paper (c) the same comb (d) paper bits picked up
  28. 28.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a heavy book (d) puffed rice
  29. 29.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) thermocol bits (d) a pebble
  30. 30.⚡ 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
  31. 31.True or false: puffed rice does not move to a charged comb. (a) False (b) True
  32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
  33. 33.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) the water freezes (d) nothing at all
  34. 34.🧺 Which of these is not needed for the static comb? (a) vinegar (b) a balloon (c) tiny paper bits (d) a plastic comb
  35. 35.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
  36. 36.🧺 Which of these is needed for the static comb? (a) a balloon (b) a mirror (c) a magnet (d) turmeric powder
  37. 37.⚖️ 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
  38. 38.🧺 Which of these is not needed for the static comb? (a) a balloon (b) turmeric powder (c) a plastic comb (d) dry hair
  39. 39.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) a heavy book (d) dry hair
  40. 40.True or false: a plastic comb is needed for the static comb. (a) False (b) True

Answer key

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

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