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

Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 707 · 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) tiny paper bits (b) a battery cell (c) a balloon (d) a plastic comb
  2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
  3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a magnet (d) a plastic comb
  4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) tiny paper bits (d) a balloon
  5. 5.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
  6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a battery cell (c) a plastic comb (d) tiny paper bits
  7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) number of rubs (c) the same hair (d) paper bits picked up
  8. 8.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  9. 9.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a mirror
  10. 10.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a thin water stream (d) a pebble
  11. 11.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
  12. 12.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a heavy book (d) puffed rice
  13. 13.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it turns into water (d) it sticks for a while
  14. 14.True or false: dry hair is needed for the static comb. (a) False (b) True
  15. 15.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) thermocol bits (d) a brick
  16. 16.True or false: dry hair does not move to a charged comb. (a) True (b) False
  17. 17.True or false: yeast is not needed for the static comb. (a) False (b) True
  18. 18.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) a heavy book (d) thermocol bits
  19. 19.⚖️ 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 keep it the same (c) we measure it
  20. 20.⚖️ 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
  21. 21.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) under a tall tree (d) on a rooftop
  22. 22.🔮 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
  23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs
  24. 24.🧺 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) vinegar
  25. 25.True or false: a mirror is not needed for the static comb. (a) False (b) True
  26. 26.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  27. 27.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
  28. 28.🧺 Which of these is needed for the static comb? (a) a mirror (b) a balloon (c) turmeric powder (d) vinegar
  29. 29.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  30. 30.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a heavy book (d) thermocol bits
  31. 31.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) dry days are noisy (c) wet hair is magnetic (d) water adds charge
  32. 32.True or false: a balloon is needed for the static comb. (a) True (b) False
  33. 33.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) static electricity (d) gravity
  34. 34.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) a mirror (d) tiny paper bits
  35. 35.⚖️ 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 change it (c) we keep it the same
  36. 36.True or false: a mirror is needed for the static comb. (a) True (b) False
  37. 37.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the paper bit size (c) number of rubs (d) the same hair
  39. 39.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
  40. 40.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed

Answer key

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

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