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

Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 979 · 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.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it hardly works (d) it lights up
  2. 2.True or false: a magnet is not needed for the static comb. (a) True (b) False
  3. 3.⚖️ 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 paper bit size (c) number of rubs
  4. 4.⚖️ 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 change it (c) we measure it
  5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) vinegar (c) a plastic comb (d) dry hair
  6. 6.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a steel spoon (d) thermocol bits
  7. 7.True or false: dry hair jumps to a charged comb. (a) True (b) False
  8. 8.True or false: puffed rice does not move to a charged comb. (a) True (b) False
  9. 9.🔍 Which is the odd one out? (a) a steel spoon (b) dry hair (c) a pebble (d) a brick
  10. 10.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a magnet (d) a plastic comb
  11. 11.⚖️ 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) the paper bit size (c) number of rubs (d) the same comb
  12. 12.🔍 Which is the odd one out? (a) dry hair (b) a pebble (c) thermocol bits (d) puffed rice
  13. 13.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
  14. 14.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  15. 15.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed balloon (d) a rubbed plastic comb
  16. 16.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) tiny paper bits (d) yeast
  17. 17.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is sticky (c) it is hot (d) it is a magnet
  18. 18.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  19. 19.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  20. 20.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
  21. 21.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  22. 22.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  23. 23.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a plastic comb (d) vinegar
  24. 24.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) dry hair
  25. 25.⚖️ 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 measure it (c) we change it
  26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) a mirror
  27. 27.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
  28. 28.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
  29. 29.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) yeast
  31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
  32. 32.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) a brick (d) a steel spoon
  33. 33.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a plastic comb (c) a balloon (d) dry hair
  34. 34.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a pebble (d) a heavy book
  35. 35.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  36. 36.⚡ Which of these does not move to a charged comb? (a) a pebble (b) thermocol bits (c) dry hair (d) a thin water stream
  37. 37.True or false: a magnet is needed for the static comb. (a) True (b) False
  38. 38.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a pebble (c) a heavy book (d) a brick
  39. 39.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  40. 40.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) the water stops (d) nothing at all

Answer key

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

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