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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 49 · 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.🔮 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
  2. 2.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) yeast (c) a mirror (d) a magnet
  3. 3.True or false: a battery cell is not needed for the static comb. (a) True (b) False
  4. 4.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  5. 5.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
  6. 6.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  7. 7.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a magnet (d) tiny paper bits
  9. 9.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a brick (d) a steel spoon
  10. 10.⚖️ 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
  11. 11.🧺 Which of these is needed for the static comb? (a) a battery cell (b) dry hair (c) a mirror (d) turmeric powder
  12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same hair (c) the same comb (d) the paper bit size
  13. 13.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a brick (d) thermocol bits
  14. 14.⚖️ 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) False (b) True
  15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a mirror (d) a plastic comb
  16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
  17. 17.True or false: puffed rice jumps to a charged comb. (a) False (b) True
  18. 18.⚖️ 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) the paper bit size (c) the same comb (d) paper bits picked up
  19. 19.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a battery cell (d) a plastic comb
  20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a battery cell (d) a balloon
  21. 21.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  22. 22.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) dry hair (d) a steel spoon
  23. 23.⚡ 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
  24. 24.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  25. 25.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) nothing happens (d) they turn wet
  26. 26.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a steel spoon (d) a thin water stream
  27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) vinegar (c) a balloon (d) dry hair
  28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) dry hair (d) tiny paper bits
  29. 29.⚖️ 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
  30. 30.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
  31. 31.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) a thin water stream
  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 measure it (c) we keep it the same
  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 hair
  34. 34.True or false: a heavy book jumps to a charged comb. (a) True (b) False
  35. 35.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
  36. 36.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) under a tall tree (d) indoors
  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 yeast for the static comb? (a) not needed (b) needed
  39. 39.🛟 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 balloon (d) a rubbed plastic comb
  40. 40.True or false: a balloon is needed for the static comb. (a) True (b) False

Answer key

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

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