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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 784 · 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.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
  2. 2.⚖️ 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) True (b) False
  3. 3.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it
  5. 5.⚡ 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
  6. 6.⚖️ 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) True (b) False
  7. 7.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a thin water stream (d) a steel spoon
  8. 8.True or false: a battery cell is not needed for the static comb. (a) False (b) True
  9. 9.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) tiny paper bits (d) a brick
  10. 10.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
  11. 11.True or false: vinegar is needed for the static comb. (a) False (b) True
  12. 12.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
  13. 13.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a balloon (d) a battery cell
  14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
  15. 15.⚡ Which of these jumps to a charged comb? (a) a brick (b) tiny paper bits (c) a pebble (d) a steel spoon
  16. 16.True or false: a heavy book does not move to a charged comb. (a) False (b) True
  17. 17.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
  18. 18.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
  19. 19.⚖️ 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) the same comb (c) the same hair (d) number of rubs
  20. 20.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) a magnet
  21. 21.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  22. 22.True or false: dry hair is not needed for the static comb. (a) True (b) False
  23. 23.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
  24. 24.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) a mirror (d) a balloon
  25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
  26. 26.🧺 Which of these is not needed for the static comb? (a) yeast (b) tiny paper bits (c) a balloon (d) a plastic comb
  27. 27.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
  28. 28.⚖️ 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
  29. 29.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) a plastic comb (d) yeast
  30. 30.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
  31. 31.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) a rubbed balloon (d) plug points at home
  32. 32.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) nothing happens (d) they turn wet
  33. 33.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  34. 34.🧺 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) vinegar
  35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) tiny paper bits (d) dry hair
  36. 36.⚖️ 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
  37. 37.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  38. 38.⚖️ 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
  39. 39.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it turns into water (d) it bursts at once
  40. 40.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed

Answer key

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

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