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

Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 767 · 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 lights up (b) it becomes a magnet (c) it hardly works (d) it works better
  2. 2.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it has static charge (d) it is sticky
  3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) tiny paper bits (d) a balloon
  4. 4.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a steel spoon (c) thermocol bits (d) tiny paper bits
  5. 5.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we change it (c) we measure it
  7. 7.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a pebble (d) a brick
  8. 8.True or false: a balloon is needed for the static comb. (a) False (b) True
  9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a magnet (d) a balloon
  10. 10.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  11. 11.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a steel spoon (d) a brick
  12. 12.True or false: dry hair jumps to a charged comb. (a) True (b) False
  13. 13.True or false: yeast is needed for the static comb. (a) False (b) True
  14. 14.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
  16. 16.🛟 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
  17. 17.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  18. 18.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  19. 19.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it bursts at once (d) it sticks for a while
  20. 20.🧺 Which of these is needed for the static comb? (a) yeast (b) tiny paper bits (c) a battery cell (d) turmeric powder
  21. 21.True or false: a magnet is not needed for the static comb. (a) False (b) True
  22. 22.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  23. 23.True or false: puffed rice jumps to a charged comb. (a) True (b) False
  24. 24.True or false: a battery cell is not needed for the static comb. (a) False (b) True
  25. 25.True or false: yeast is not needed for the static comb. (a) False (b) True
  26. 26.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) they turn blue (d) nothing happens
  27. 27.🧺 Which of these is not needed for the static comb? (a) a mirror (b) dry hair (c) tiny paper bits (d) a plastic comb
  28. 28.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  29. 29.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  30. 30.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  31. 31.⚖️ 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
  32. 32.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) dry hair (d) tiny paper bits
  33. 33.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) turmeric powder (d) a plastic comb
  34. 34.🧺 Which of these is needed for the static comb? (a) dry hair (b) yeast (c) vinegar (d) a mirror
  35. 35.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
  36. 36.🛟 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 plastic comb (d) a rubbed balloon
  37. 37.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
  38. 38.⚖️ 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
  39. 39.True or false: a brick jumps to a charged comb. (a) True (b) False
  40. 40.True or false: a plastic comb is not needed for the static comb. (a) True (b) False

Answer key

  1. it hardly works
  2. it has static charge
  3. a mirror
  4. a steel spoon
  5. jumps to the comb
  6. we keep it the same
  7. tiny paper bits
  8. True
  9. a magnet
  10. not needed
  11. dry hair
  12. True
  13. False
  14. needed
  15. False
  16. indoors
  17. needed
  18. does not move
  19. it sticks for a while
  20. tiny paper bits
  21. True
  22. True
  23. True
  24. True
  25. True
  26. the bits jump to it
  27. a mirror
  28. jumps to the comb
  29. needed
  30. not needed
  31. True
  32. a heavy book
  33. a plastic comb
  34. dry hair
  35. jumps to the comb
  36. plug points at home
  37. True
  38. True
  39. False
  40. False

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