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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 743 · 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.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
  2. 2.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is a magnet (d) it is sticky
  3. 3.True or false: a plastic comb is needed for the static comb. (a) True (b) False
  4. 4.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a steel spoon (d) a thin water stream
  5. 5.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  6. 6.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) thermocol bits
  7. 7.True or false: a magnet is not needed for the static comb. (a) False (b) True
  8. 8.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  9. 9.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) a steel spoon (d) tiny paper bits
  10. 10.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
  11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) tiny paper bits (d) dry hair
  12. 12.True or false: a mirror is needed for the static comb. (a) True (b) False
  13. 13.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) a heavy book (d) a pebble
  14. 14.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
  15. 15.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
  16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
  17. 17.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
  18. 18.⚖️ 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 same comb (c) number of rubs (d) the paper bit size
  19. 19.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) puffed rice (d) a pebble
  20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a battery cell (d) dry hair
  21. 21.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) a rubbed plastic comb (d) paper bits on a comb
  22. 22.⚖️ 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
  23. 23.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) dry hair (d) a mirror
  24. 24.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) the wind (d) lightning
  25. 25.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  26. 26.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) thermocol bits (d) dry hair
  27. 27.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  28. 28.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
  29. 29.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a mirror (c) vinegar (d) a magnet
  30. 30.⚖️ 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) False (b) True
  31. 31.🧺 Which of these is needed for the static comb? (a) a battery cell (b) dry hair (c) vinegar (d) yeast
  32. 32.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) a brick (d) tiny paper bits
  33. 33.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) a plastic comb (c) dry hair (d) a balloon
  34. 34.True or false: a balloon is not needed for the static comb. (a) False (b) True
  35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same
  36. 36.True or false: a brick does not move to a charged comb. (a) False (b) True
  37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
  38. 38.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  39. 39.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
  40. 40.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed

Answer key

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

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