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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 32 · 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.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  2. 2.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
  3. 3.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) a pebble (d) a brick
  4. 4.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  5. 5.True or false: vinegar is needed for the static comb. (a) True (b) False
  6. 6.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the water stops (d) the stream bends
  7. 7.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it lights up (d) it becomes a magnet
  8. 8.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) turmeric powder
  9. 9.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
  10. 10.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  11. 11.True or false: dry hair is needed for the static comb. (a) True (b) False
  12. 12.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a thin water stream (d) a steel spoon
  13. 13.🧺 Which of these is needed for the static comb? (a) a balloon (b) a magnet (c) yeast (d) vinegar
  14. 14.True or false: dry hair does not move to a charged comb. (a) True (b) False
  15. 15.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) damp air leaks charge (d) dry days are noisy
  16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) tiny paper bits (c) dry hair (d) a balloon
  17. 17.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
  18. 18.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  19. 19.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) a pebble (d) thermocol bits
  20. 20.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
  21. 21.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  22. 22.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  23. 23.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
  24. 24.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a pebble (c) a heavy book (d) a brick
  25. 25.True or false: yeast is needed for the static comb. (a) False (b) True
  26. 26.True or false: a mirror is not needed for the static comb. (a) False (b) True
  27. 27.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) under a tall tree (d) in an open field
  28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) dry hair (d) a plastic comb
  29. 29.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
  30. 30.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  31. 31.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a steel spoon (c) a brick (d) a pebble
  32. 32.True or false: dry hair is not needed for the static comb. (a) True (b) False
  33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) paper bits picked up (c) number of rubs
  34. 34.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
  35. 35.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) a brick (d) a thin water stream
  36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) distance to the paper (c) the same hair (d) paper bits picked up
  37. 37.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a mirror
  38. 38.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  39. 39.🧺 Which of these is needed for the static comb? (a) vinegar (b) a plastic comb (c) a magnet (d) turmeric powder
  40. 40.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it

Answer key

  1. needed
  2. True
  3. thermocol bits
  4. needed
  5. False
  6. the stream bends
  7. it hardly works
  8. turmeric powder
  9. static electricity
  10. not needed
  11. True
  12. a thin water stream
  13. a balloon
  14. False
  15. damp air leaks charge
  16. vinegar
  17. False
  18. needed
  19. a pebble
  20. plug points at home
  21. does not move
  22. jumps to the comb
  23. does not move
  24. a thin water stream
  25. False
  26. True
  27. indoors
  28. yeast
  29. True
  30. not needed
  31. puffed rice
  32. False
  33. the paper bit size
  34. False
  35. a brick
  36. paper bits picked up
  37. a mirror
  38. not needed
  39. a plastic comb
  40. the bits jump to it

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