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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 728 · 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.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a steel spoon (d) puffed rice
  2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
  3. 3.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it hardly works (d) it lights up
  4. 4.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the same comb (c) number of rubs (d) distance to the paper
  6. 6.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
  7. 7.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) a mirror
  8. 8.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
  9. 9.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) yeast (d) tiny paper bits
  10. 10.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
  11. 11.True or false: yeast is not needed for the static comb. (a) True (b) False
  12. 12.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  13. 13.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  14. 14.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) a thin water stream (d) a brick
  15. 15.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) thermocol bits (d) a brick
  16. 16.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a heavy book (d) dry hair
  17. 17.True or false: a battery cell is not needed for the static comb. (a) False (b) True
  18. 18.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a magnet (d) tiny paper bits
  19. 19.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) tiny paper bits (d) thermocol bits
  20. 20.True or false: a pebble jumps to a charged comb. (a) False (b) True
  21. 21.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
  22. 22.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) sunlight (d) static electricity
  23. 23.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) a battery cell
  24. 24.True or false: a brick does not move to a charged comb. (a) False (b) True
  25. 25.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
  26. 26.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) vinegar
  27. 27.🔮 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
  28. 28.🧺 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
  29. 29.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  30. 30.True or false: turmeric powder is needed for the static comb. (a) False (b) True
  31. 31.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) tiny paper bits (d) a thin water stream
  32. 32.🛟 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) plug points at home (d) a rubbed balloon
  33. 33.True or false: vinegar is needed for the static comb. (a) False (b) True
  34. 34.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a pebble (d) thermocol bits
  35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) dry hair (d) a plastic comb
  36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a balloon (c) dry hair (d) tiny paper bits
  37. 37.⚖️ 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 keep it the same (c) we change it
  38. 38.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) yeast (d) vinegar
  39. 39.⚖️ 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
  40. 40.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb

Answer key

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

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