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

Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 596 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
  2. 2.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
  3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) a balloon (d) a plastic comb
  4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) paper bits on a comb (d) plug points at home
  5. 5.True or false: dry hair jumps to a charged comb. (a) False (b) True
  6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) the same comb (c) the same hair (d) number of rubs
  7. 7.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it sticks for a while (d) it falls straight down
  8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a mirror (d) tiny paper bits
  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 change it (b) we keep it the same (c) we measure it
  10. 10.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) a magnet
  11. 11.True or false: dry hair does not move to a charged comb. (a) True (b) False
  12. 12.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a thin water stream (d) a steel spoon
  13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
  14. 14.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  15. 15.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  16. 16.True or false: puffed rice jumps to a charged comb. (a) False (b) True
  17. 17.🧺 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) a balloon
  18. 18.True or false: a brick jumps to a charged comb. (a) True (b) False
  19. 19.⚖️ 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
  20. 20.True or false: yeast is not needed for the static comb. (a) True (b) False
  21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we keep it the same (c) we change it
  22. 22.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) a thin water stream (d) thermocol bits
  23. 23.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) thermocol bits (d) a steel spoon
  24. 24.True or false: a battery cell is needed for the static comb. (a) False (b) True
  25. 25.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a heavy book (c) a steel spoon (d) a pebble
  26. 26.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it lights up (d) it works better
  27. 27.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  28. 28.True or false: puffed rice does not move to a charged comb. (a) True (b) False
  29. 29.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) a brick (d) thermocol bits
  30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
  31. 31.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  32. 32.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  33. 33.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
  34. 34.🔍 Which is the odd one out? (a) a pebble (b) a thin water stream (c) a brick (d) a heavy book
  35. 35.True or false: a pebble does not move to a charged comb. (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) tiny paper bits (d) dry hair
  37. 37.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) dry hair (d) vinegar
  38. 38.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  39. 39.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  40. 40.True or false: a brick does not move to a charged comb. (a) True (b) False

Answer key

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

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