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

Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 953 · 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 needed for the static comb? (a) a magnet (b) tiny paper bits (c) yeast (d) a battery cell
  2. 2.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) a heavy book (d) a pebble
  3. 3.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a brick (d) a heavy book
  4. 4.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a steel spoon (c) thermocol bits (d) tiny paper bits
  5. 5.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
  6. 6.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  7. 7.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) turmeric powder (d) a plastic comb
  8. 8.⚖️ 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) number of rubs (c) distance to the paper
  9. 9.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a pebble (d) puffed rice
  10. 10.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  11. 11.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) yeast (c) a plastic comb (d) dry hair
  12. 12.True or false: a battery cell is needed for the static comb. (a) True (b) False
  13. 13.⚖️ 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
  14. 14.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) tiny paper bits (c) a steel spoon (d) a brick
  15. 15.⚖️ 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
  16. 16.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
  17. 17.🔮 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 falls straight down (d) it sticks for a while
  18. 18.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  19. 19.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) thermocol bits (d) a heavy book
  20. 20.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  21. 21.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) thermocol bits (d) a pebble
  22. 22.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) wet hair is magnetic (d) damp air leaks charge
  23. 23.True or false: turmeric powder is needed for the static comb. (a) True (b) False
  24. 24.⚖️ 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
  25. 25.⚖️ 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
  26. 26.🧺 Which of these is not needed for the static comb? (a) vinegar (b) a balloon (c) dry hair (d) tiny paper bits
  27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
  28. 28.⚖️ 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) False (b) True
  29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
  30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) yeast (d) a plastic comb
  31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
  32. 32.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
  33. 33.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) a magnet
  34. 34.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a steel spoon (d) puffed rice
  35. 35.⚖️ 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
  36. 36.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  37. 37.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it has static charge (d) it is a magnet
  38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) vinegar (d) dry hair
  39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) a magnet
  40. 40.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) dry hair (d) tiny paper bits

Answer key

  1. tiny paper bits
  2. a thin water stream
  3. tiny paper bits
  4. a steel spoon
  5. plug points at home
  6. does not move
  7. a plastic comb
  8. distance to the paper
  9. a pebble
  10. needed
  11. yeast
  12. False
  13. we keep it the same
  14. tiny paper bits
  15. True
  16. not needed
  17. it sticks for a while
  18. not needed
  19. a heavy book
  20. not needed
  21. a pebble
  22. damp air leaks charge
  23. False
  24. True
  25. we keep it the same
  26. vinegar
  27. False
  28. True
  29. True
  30. yeast
  31. False
  32. jumps to the comb
  33. a magnet
  34. puffed rice
  35. False
  36. does not move
  37. it has static charge
  38. vinegar
  39. a magnet
  40. a heavy book

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