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

Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 922 · 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.True or false: a pebble does not move to a charged comb. (a) True (b) False
  2. 2.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a steel spoon (c) a pebble (d) a heavy book
  3. 3.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
  4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
  5. 5.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) dry hair (c) a brick (d) a pebble
  6. 6.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) a brick (d) a steel spoon
  7. 7.True or false: yeast is not needed for the static comb. (a) True (b) False
  8. 8.🛟 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
  9. 9.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) a thin water stream (d) a heavy book
  10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) a plastic comb (d) dry hair
  11. 11.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) a heavy book (d) a brick
  12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we measure it (c) we keep it the same
  13. 13.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) a steel spoon (d) a thin water stream
  14. 14.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) dry hair
  15. 15.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
  16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a balloon (d) a plastic comb
  17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) a plastic comb (d) dry hair
  18. 18.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the stream bends (d) the water freezes
  19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) a magnet
  20. 20.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) a rainbow (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) the same comb (d) paper bits picked up
  22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) the same comb (c) number of rubs
  23. 23.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  24. 24.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  25. 25.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  26. 26.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) puffed rice (c) a heavy book (d) a pebble
  27. 27.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  28. 28.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) a magnet (d) tiny paper bits
  29. 29.⚖️ 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
  30. 30.True or false: a plastic comb is needed for the static comb. (a) True (b) False
  31. 31.⚖️ 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) True (b) False
  32. 32.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  33. 33.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) tiny paper bits (d) dry hair
  35. 35.True or false: vinegar is needed for the static comb. (a) False (b) True
  36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
  37. 37.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it lights up (d) it becomes a magnet
  38. 38.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) tiny paper bits (d) a pebble
  39. 39.⚖️ 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
  40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same

Answer key

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

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