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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 573 · 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? True or false: the same hair is what we measure. (a) True (b) False
  2. 2.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  3. 3.⚖️ 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
  4. 4.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) under a tall tree (d) in an open field
  5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
  6. 6.True or false: a brick does not move to a charged comb. (a) False (b) True
  7. 7.True or false: yeast is not needed for the static comb. (a) False (b) True
  8. 8.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
  9. 9.True or false: puffed rice does not move to a charged comb. (a) False (b) True
  10. 10.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it has static charge (d) it is sticky
  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 keep it the same (c) we measure it
  12. 12.True or false: puffed rice jumps to a charged comb. (a) False (b) True
  13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same comb (c) paper bits picked up (d) the paper bit size
  14. 14.True or false: a brick jumps to a charged comb. (a) True (b) False
  15. 15.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it works better (d) it becomes a magnet
  16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) number of rubs (c) the same comb (d) the same hair
  17. 17.⚖️ 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) False (b) True
  18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) tiny paper bits (c) a plastic comb (d) a balloon
  19. 19.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
  20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
  21. 21.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a pebble (d) tiny paper bits
  22. 22.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
  23. 23.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a battery cell (c) dry hair (d) a balloon
  24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) tiny paper bits (d) a balloon
  25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
  26. 26.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a brick (c) a pebble (d) a steel spoon
  27. 27.⚖️ 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
  28. 28.True or false: a battery cell is needed for the static comb. (a) True (b) False
  29. 29.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) dry hair (c) a heavy book (d) a brick
  30. 30.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
  31. 31.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  32. 32.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn wet (d) they turn blue
  33. 33.⚡ Which of these jumps to a charged comb? (a) a pebble (b) tiny paper bits (c) a heavy book (d) a steel spoon
  34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
  35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) vinegar
  36. 36.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
  37. 37.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  38. 38.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a mirror
  40. 40.⚡ Which of these does not move to a charged comb? (a) a brick (b) tiny paper bits (c) dry hair (d) thermocol bits

Answer key

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

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