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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 44 · 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.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  2. 2.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) thermocol bits (d) tiny paper bits
  3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
  4. 4.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) a steel spoon (d) thermocol bits
  5. 5.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  6. 6.True or false: a battery cell is not needed for the static comb. (a) False (b) True
  7. 7.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) turmeric powder (c) a magnet (d) vinegar
  8. 8.True or false: a balloon is not needed for the static comb. (a) False (b) True
  9. 9.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
  10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) number of rubs (c) paper bits picked up
  11. 11.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
  12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) yeast (d) dry hair
  13. 13.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
  15. 15.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a steel spoon (d) puffed rice
  16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
  17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
  18. 18.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) the bits jump to it (d) they turn wet
  19. 19.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
  20. 20.⚖️ 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
  21. 21.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
  22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the same hair (c) number of rubs (d) distance to the paper
  23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
  24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) turmeric powder
  25. 25.⚖️ 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) True (b) False
  26. 26.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
  28. 28.🔍 Which is the odd one out? (a) a pebble (b) a thin water stream (c) a heavy book (d) a brick
  29. 29.True or false: dry hair does not move to a charged comb. (a) True (b) False
  30. 30.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it has static charge (d) it is a magnet
  31. 31.True or false: dry hair jumps to a charged comb. (a) True (b) False
  32. 32.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  33. 33.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a steel spoon (d) thermocol bits
  34. 34.True or false: turmeric powder is needed for the static comb. (a) False (b) True
  35. 35.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
  37. 37.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
  38. 38.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  39. 39.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) a balloon (c) tiny paper bits (d) a plastic comb
  40. 40.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) dry hair (c) a pebble (d) a heavy book

Answer key

  1. not needed
  2. a pebble
  3. we keep it the same
  4. a steel spoon
  5. needed
  6. True
  7. tiny paper bits
  8. False
  9. it hardly works
  10. the same hair
  11. the stream bends
  12. yeast
  13. does not move
  14. False
  15. puffed rice
  16. False
  17. True
  18. the bits jump to it
  19. False
  20. True
  21. indoors
  22. number of rubs
  23. False
  24. turmeric powder
  25. True
  26. needed
  27. False
  28. a thin water stream
  29. False
  30. it has static charge
  31. True
  32. True
  33. thermocol bits
  34. False
  35. not needed
  36. we keep it the same
  37. not needed
  38. jumps to the comb
  39. a battery cell
  40. dry hair

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