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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 972 · 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.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
  2. 2.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
  3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a balloon (c) tiny paper bits (d) dry hair
  4. 4.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) a thin water stream (c) tiny paper bits (d) thermocol bits
  5. 5.🧺 Which of these is needed for the static comb? (a) vinegar (b) a balloon (c) yeast (d) a mirror
  6. 6.🧺 Which of these is needed for the static comb? (a) a battery cell (b) dry hair (c) turmeric powder (d) yeast
  7. 7.True or false: a balloon is not needed for the static comb. (a) False (b) True
  8. 8.⚖️ 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
  9. 9.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  10. 10.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
  11. 11.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) dry hair (d) a brick
  12. 12.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
  13. 13.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a brick (d) thermocol bits
  14. 14.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) static electricity (d) gravity
  15. 15.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) yeast (d) tiny paper bits
  16. 16.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) a brick (d) a steel spoon
  17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) dry hair (c) a balloon (d) tiny paper bits
  18. 18.⚖️ 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
  19. 19.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) a plastic comb (d) yeast
  20. 20.True or false: a magnet is needed for the static comb. (a) True (b) False
  21. 21.⚖️ 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) number of rubs
  22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a battery cell (d) a plastic comb
  23. 23.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
  25. 25.True or false: vinegar is needed for the static comb. (a) False (b) True
  26. 26.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
  27. 27.⚡ 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
  28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) the same comb
  29. 29.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
  30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) number of rubs (c) paper bits picked up
  31. 31.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a battery cell (d) tiny paper bits
  32. 32.⚖️ 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) False (b) True
  33. 33.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  34. 34.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  35. 35.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  36. 36.True or false: a brick jumps to a charged comb. (a) True (b) False
  37. 37.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) damp air leaks charge (c) dry days are noisy (d) water adds charge
  38. 38.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a steel spoon (d) a thin water stream
  39. 39.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
  40. 40.🧺 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) a balloon

Answer key

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

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