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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 312 · 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 rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it sticks for a while (d) it falls straight down
  2. 2.🔮 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
  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 same comb (c) number of rubs
  4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
  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 measure it (c) we change it
  7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) yeast (d) dry hair
  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 magnet (d) a balloon
  9. 9.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) a magnet (d) a plastic comb
  10. 10.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a balloon (c) a plastic comb (d) tiny paper bits
  12. 12.True or false: dry hair is needed for the static comb. (a) False (b) True
  13. 13.True or false: a balloon is not needed for the static comb. (a) True (b) False
  14. 14.True or false: yeast is not needed for the static comb. (a) False (b) True
  15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a battery cell (d) tiny paper bits
  16. 16.True or false: a brick does not move to a charged comb. (a) False (b) True
  17. 17.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a brick (d) a pebble
  18. 18.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a brick (d) tiny paper bits
  19. 19.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
  20. 20.True or false: a battery cell is needed for the static comb. (a) False (b) True
  21. 21.True or false: puffed rice does not move to a charged comb. (a) False (b) True
  22. 22.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) gravity (d) static electricity
  23. 23.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  24. 24.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a brick (c) a pebble (d) a heavy book
  25. 25.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it has static charge (d) it is hot
  26. 26.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  27. 27.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) thermocol bits (d) a pebble
  28. 28.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) a heavy book (d) thermocol bits
  29. 29.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
  30. 30.True or false: a battery cell is not needed for the static comb. (a) False (b) True
  31. 31.True or false: a balloon is needed for the static comb. (a) False (b) True
  32. 32.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
  33. 33.True or false: a magnet is needed for the static comb. (a) False (b) True
  34. 34.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  35. 35.True or false: a plastic comb is needed for the static comb. (a) True (b) False
  36. 36.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
  37. 37.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a mirror (c) a magnet (d) vinegar
  38. 38.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) yeast
  39. 39.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) vinegar (d) tiny paper bits

Answer key

  1. it sticks for a while
  2. the stream bends
  3. the same comb
  4. False
  5. jumps to the comb
  6. we keep it the same
  7. yeast
  8. a magnet
  9. a plastic comb
  10. not needed
  11. a mirror
  12. True
  13. False
  14. True
  15. a battery cell
  16. True
  17. tiny paper bits
  18. tiny paper bits
  19. indoors
  20. False
  21. False
  22. static electricity
  23. does not move
  24. thermocol bits
  25. it has static charge
  26. needed
  27. thermocol bits
  28. a heavy book
  29. False
  30. True
  31. True
  32. False
  33. False
  34. needed
  35. True
  36. False
  37. tiny paper bits
  38. yeast
  39. does not move
  40. vinegar

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