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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 700 · 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 kept the same? (a) number of rubs (b) the same hair (c) paper bits picked up
  2. 2.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) thermocol bits (d) a steel spoon
  3. 3.⚖️ 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) False (b) True
  4. 4.⚖️ 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) distance to the paper (d) the paper bit size
  5. 5.⚖️ 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
  6. 6.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
  7. 7.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
  8. 8.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) tiny paper bits (d) dry hair
  10. 10.True or false: yeast is needed for the static comb. (a) True (b) False
  11. 11.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  12. 12.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) they turn wet (d) the bits jump to it
  13. 13.True or false: a balloon is needed for the static comb. (a) True (b) False
  14. 14.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) dry hair (c) a steel spoon (d) a pebble
  15. 15.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  16. 16.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
  17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) turmeric powder
  18. 18.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) yeast (d) vinegar
  19. 19.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a balloon (d) vinegar
  20. 20.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) dry hair (d) a steel spoon
  21. 21.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) a pebble (d) thermocol bits
  22. 22.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  23. 23.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  24. 24.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) water adds charge (d) damp air leaks charge
  25. 25.🔍 Which is the odd one out? (a) thermocol bits (b) dry hair (c) puffed rice (d) a heavy book
  26. 26.True or false: dry hair does not move to a charged comb. (a) False (b) True
  27. 27.True or false: a heavy book does not move to a charged comb. (a) True (b) False
  28. 28.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a brick (d) a steel spoon
  29. 29.True or false: a pebble jumps to a charged comb. (a) False (b) True
  30. 30.⚖️ 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
  31. 31.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
  32. 32.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) paper bits on a comb (d) a rubbed balloon
  33. 33.True or false: vinegar is not needed for the static comb. (a) True (b) False
  34. 34.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a magnet (d) a balloon
  35. 35.⚡ Which of these jumps to a charged comb? (a) a brick (b) a thin water stream (c) a pebble (d) a steel spoon
  36. 36.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the stream bends (d) the water freezes
  37. 37.⚖️ 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) True (b) False
  38. 38.⚖️ 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
  39. 39.⚖️ 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) the paper bit size (c) the same hair (d) paper bits picked up
  40. 40.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed

Answer key

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

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