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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 150 · 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 comb is kept the same. (a) False (b) True
  2. 2.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  3. 3.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) a heavy book (d) a thin water stream
  4. 4.⚖️ 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) True (b) False
  5. 5.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
  6. 6.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  7. 7.True or false: dry hair is not needed for the static comb. (a) True (b) False
  8. 8.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
  9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) turmeric powder
  10. 10.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn wet (d) they turn blue
  11. 11.⚖️ 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
  12. 12.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it falls straight down (d) it sticks for a while
  13. 13.True or false: a magnet is not needed for the static comb. (a) False (b) True
  14. 14.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a heavy book (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.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  17. 17.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) lightning (d) the wind
  18. 18.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  19. 19.🧺 Which of these is needed for the static comb? (a) a mirror (b) a plastic comb (c) a battery cell (d) a magnet
  20. 20.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) puffed rice (d) a heavy book
  21. 21.⚖️ 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 paper bit size
  22. 22.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
  23. 23.🧺 Which of these is needed for the static comb? (a) a magnet (b) tiny paper bits (c) yeast (d) turmeric powder
  24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) dry hair (d) a mirror
  25. 25.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
  26. 26.⚖️ 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 change it (c) we keep it the same
  27. 27.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) water adds charge (c) dry days are noisy (d) wet hair is magnetic
  28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
  29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) dry hair (d) a balloon
  30. 30.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) vinegar (d) a balloon
  31. 31.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it is sticky (d) it has static charge
  32. 32.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we keep it the same (c) we change it
  34. 34.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  35. 35.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) static electricity (d) magnetism
  36. 36.True or false: a balloon is needed for the static comb. (a) True (b) False
  37. 37.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) tiny paper bits (d) turmeric powder
  38. 38.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a pebble (d) dry hair
  39. 39.True or false: a magnet is needed for the static comb. (a) False (b) True
  40. 40.True or false: a heavy book does not move to a charged comb. (a) False (b) True

Answer key

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

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