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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 602 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) number of rubs (c) paper bits picked up (d) the same hair
  2. 2.True or false: a heavy book does not move to a charged comb. (a) True (b) False
  3. 3.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
  4. 4.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it sticks for a while (d) it bursts at once
  5. 5.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  6. 6.True or false: turmeric powder is needed for the static 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 hair”? (a) we measure it (b) we keep it the same (c) we change it
  8. 8.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) magnetism (d) sunlight
  9. 9.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) tiny paper bits (d) dry hair
  11. 11.⚖️ 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
  12. 12.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
  13. 13.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) a magnet
  14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) paper bits picked up (c) number of rubs
  15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) yeast (d) tiny paper bits
  16. 16.True or false: a battery cell is needed for the static comb. (a) False (b) True
  17. 17.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) tiny paper bits (d) a heavy book
  18. 18.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it
  19. 19.⚖️ 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
  20. 20.🧺 Which of these is needed for the static comb? (a) a balloon (b) a mirror (c) vinegar (d) yeast
  21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) a balloon (d) tiny paper bits
  22. 22.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) yeast (c) dry hair (d) a plastic comb
  23. 23.True or false: vinegar is needed for the static comb. (a) False (b) True
  24. 24.⚖️ 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
  25. 25.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a steel spoon (c) a pebble (d) a heavy book
  26. 26.True or false: dry hair is not needed for the static comb. (a) False (b) True
  27. 27.🧺 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
  28. 28.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a steel spoon (d) puffed rice
  29. 29.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a pebble (d) dry hair
  30. 30.🛟 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
  31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) tiny paper bits (c) a balloon (d) dry hair
  32. 32.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  33. 33.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) thermocol bits (d) tiny paper bits
  34. 34.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
  35. 35.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) indoors (d) in an open field
  36. 36.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works
  37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
  38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
  39. 39.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops
  40. 40.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) lightning (d) dew

Answer key

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

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