← Static electricity: comb and paper bits lesson New set →

Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 338 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a balloon (c) a plastic comb (d) tiny paper bits
  2. 2.🧺 Which of these is needed for the static comb? (a) dry hair (b) turmeric powder (c) a magnet (d) a battery cell
  3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) a mirror
  4. 4.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) thermocol bits (d) dry hair
  5. 5.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it becomes a magnet (d) it hardly works
  6. 6.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) yeast
  7. 7.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  8. 8.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) a thin water stream (d) a brick
  9. 9.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) a steel spoon (d) puffed rice
  10. 10.🧺 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
  11. 11.🧺 Which of these is needed for the static comb? (a) a balloon (b) a magnet (c) turmeric powder (d) a battery cell
  12. 12.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
  13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) yeast
  14. 14.True or false: a mirror is needed for the static comb. (a) True (b) False
  15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
  16. 16.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
  17. 17.True or false: a heavy book jumps to a charged comb. (a) False (b) True
  18. 18.⚖️ 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) paper bits picked up (c) number of rubs (d) the paper bit size
  19. 19.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  20. 20.True or false: a battery cell is not 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 kept the same? (a) number of rubs (b) paper bits picked up (c) distance to the paper
  22. 22.🛟 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
  23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
  24. 24.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) the bits jump to it (d) they turn blue
  25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
  26. 26.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  27. 27.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) a heavy book (d) a steel spoon
  28. 28.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) dry hair (d) a heavy book
  29. 29.True or false: dry hair does not move to a charged comb. (a) True (b) False
  30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
  31. 31.True or false: a balloon is needed for the static comb. (a) True (b) False
  32. 32.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) dry hair (d) a brick
  33. 33.⚖️ 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) False (b) True
  34. 34.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) puffed rice (d) a heavy book
  35. 35.⚖️ 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
  36. 36.⚖️ 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
  37. 37.⚖️ 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
  38. 38.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
  40. 40.True or false: turmeric powder is needed for the static comb. (a) False (b) True

Answer key

  1. a magnet
  2. dry hair
  3. a mirror
  4. a steel spoon
  5. it hardly works
  6. yeast
  7. does not move
  8. a brick
  9. a steel spoon
  10. turmeric powder
  11. a balloon
  12. True
  13. yeast
  14. False
  15. False
  16. jumps to the comb
  17. False
  18. paper bits picked up
  19. needed
  20. True
  21. distance to the paper
  22. indoors
  23. False
  24. the bits jump to it
  25. True
  26. True
  27. a thin water stream
  28. a heavy book
  29. False
  30. we keep it the same
  31. True
  32. dry hair
  33. False
  34. a heavy book
  35. the same hair
  36. False
  37. True
  38. not needed
  39. False
  40. False

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids