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

Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 733 · 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) jumps to the comb (b) does not move
  2. 2.🛟 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
  3. 3.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) a battery cell (d) tiny paper bits
  4. 4.🧺 Which of these is not needed for the static comb? (a) vinegar (b) a balloon (c) a plastic comb (d) tiny paper bits
  5. 5.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
  6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a magnet (d) a balloon
  7. 7.⚖️ 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 comb
  8. 8.🔮 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
  9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) number of rubs (c) distance to the paper (d) paper bits picked up
  10. 10.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it
  11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same
  12. 12.🧺 Which of these is not needed for the static comb? (a) a magnet (b) tiny paper bits (c) a plastic comb (d) a balloon
  13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the same comb (c) number of rubs (d) distance to the paper
  14. 14.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
  15. 15.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a thin water stream (d) a brick
  16. 16.⚖️ 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) False (b) True
  17. 17.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works
  18. 18.True or false: dry hair is not needed for the static comb. (a) True (b) False
  19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
  20. 20.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) a rainbow (d) the wind
  21. 21.🔍 Which is the odd one out? (a) a heavy book (b) thermocol bits (c) dry hair (d) tiny paper bits
  22. 22.⚖️ 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
  23. 23.⚖️ 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
  24. 24.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a mirror (c) tiny paper bits (d) dry hair
  26. 26.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
  27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
  28. 28.⚡ 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
  29. 29.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) a mirror (d) tiny paper bits
  30. 30.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) tiny paper bits (d) a pebble
  31. 31.True or false: a brick does not move to a charged comb. (a) False (b) True
  32. 32.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) dry hair (d) a pebble
  33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
  34. 34.True or false: a mirror is needed for the static comb. (a) False (b) True
  35. 35.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  36. 36.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
  37. 37.⚖️ 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
  38. 38.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  39. 39.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
  40. 40.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb

Answer key

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

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