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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 286 · 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 puffed rice. 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? Which of these is kept the same? (a) distance to the paper (b) number of rubs (c) paper bits picked up
  3. 3.⚖️ 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 keep it the same (c) we measure it
  4. 4.True or false: a battery cell is not needed for the static comb. (a) True (b) False
  5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) a balloon (d) dry hair
  6. 6.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a balloon (c) a mirror (d) vinegar
  7. 7.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
  8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same comb (c) distance to the paper (d) paper bits picked up
  9. 9.⚖️ 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
  10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a battery cell (c) a plastic comb (d) tiny paper bits
  11. 11.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  12. 12.True or false: a balloon is not needed for the static comb. (a) True (b) False
  13. 13.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it sticks for a while (d) it falls straight down
  14. 14.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a magnet (c) a balloon (d) tiny paper bits
  15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) turmeric powder (d) a plastic comb
  16. 16.⚖️ 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) True (b) False
  17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
  18. 18.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) vinegar
  19. 19.True or false: dry hair jumps to a charged comb. (a) False (b) True
  20. 20.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
  21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) dry hair (d) a plastic comb
  22. 22.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) yeast (d) tiny paper bits
  23. 23.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
  24. 24.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
  25. 25.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
  26. 26.🧺 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) yeast
  27. 27.True or false: dry hair does not move to a charged comb. (a) True (b) False
  28. 28.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
  30. 30.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
  31. 31.🧺 Which of these is needed for the static comb? (a) dry hair (b) turmeric powder (c) a magnet (d) a battery cell
  32. 32.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
  33. 33.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it has static charge (c) it is sticky (d) it is hot
  34. 34.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
  35. 35.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  36. 36.🔍 Which is the odd one out? (a) dry hair (b) a pebble (c) tiny paper bits (d) thermocol bits
  37. 37.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) a heavy book (d) a brick
  38. 38.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
  39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) a plastic comb (d) dry hair
  40. 40.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) thermocol bits (d) a brick

Answer key

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

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