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

Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 206 · 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 is not needed for the static comb? (a) a magnet (b) a plastic comb (c) dry hair (d) a balloon
  2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) a plastic comb (d) dry hair
  3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
  4. 4.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a brick (d) thermocol bits
  5. 5.True or false: dry hair is needed for the static comb. (a) True (b) False
  6. 6.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) thermocol bits (d) dry hair
  7. 7.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  8. 8.⚖️ 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) the same hair (c) paper bits picked up
  9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
  10. 10.🧺 Which of these is needed for the static comb? (a) yeast (b) a plastic comb (c) a magnet (d) a battery cell
  11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) a balloon (d) dry hair
  12. 12.True or false: a mirror is needed for the static comb. (a) False (b) True
  13. 13.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
  14. 14.⚖️ 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
  15. 15.True or false: a brick does not move to a charged comb. (a) False (b) True
  16. 16.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
  17. 17.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a brick (d) a thin water stream
  18. 18.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) a steel spoon (d) a heavy book
  19. 19.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
  20. 20.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) a rainbow (c) the wind (d) dew
  21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) number of rubs (c) distance to the paper (d) the paper bit size
  22. 22.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) tiny paper bits (d) yeast
  23. 23.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) vinegar (d) a balloon
  25. 25.True or false: yeast is not needed for the static comb. (a) False (b) True
  26. 26.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
  27. 27.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  28. 28.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a mirror (c) tiny paper bits (d) a balloon
  29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
  30. 30.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  31. 31.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  32. 32.True or false: a pebble does not move to a charged comb. (a) False (b) True
  33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
  34. 34.True or false: turmeric powder is needed for the static comb. (a) True (b) False
  35. 35.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a thin water stream (c) a heavy book (d) a steel spoon
  36. 36.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
  37. 37.True or false: a brick jumps to a charged comb. (a) True (b) False
  38. 38.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
  39. 39.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) static electricity (d) gravity
  40. 40.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed

Answer key

  1. a magnet
  2. a battery cell
  3. True
  4. thermocol bits
  5. True
  6. a heavy book
  7. not needed
  8. the same hair
  9. we measure it
  10. a plastic comb
  11. a magnet
  12. False
  13. it hardly works
  14. False
  15. True
  16. plug points at home
  17. a thin water stream
  18. thermocol bits
  19. it sticks for a while
  20. lightning
  21. number of rubs
  22. tiny paper bits
  23. jumps to the comb
  24. vinegar
  25. True
  26. True
  27. not needed
  28. a mirror
  29. False
  30. False
  31. not needed
  32. True
  33. we keep it the same
  34. False
  35. a thin water stream
  36. False
  37. False
  38. not needed
  39. static electricity
  40. needed

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