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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 543 · 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.

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  1. 1.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a battery cell (d) a plastic comb
  2. 2.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) gravity (d) static electricity
  3. 3.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a balloon (d) a magnet
  4. 4.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
  5. 5.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  6. 6.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) they turn wet (d) the bits jump to it
  7. 7.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
  8. 8.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  9. 9.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
  10. 10.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  11. 11.⚖️ 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
  12. 12.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) dry days are noisy (d) damp air leaks charge
  13. 13.True or false: a mirror is needed for the static comb. (a) True (b) False
  14. 14.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) thermocol bits (d) a brick
  15. 15.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet
  16. 16.⚡ Which of these jumps to a charged comb? (a) a pebble (b) dry hair (c) a steel spoon (d) a heavy book
  17. 17.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
  18. 18.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  19. 19.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) number of rubs (c) the paper bit size (d) paper bits picked up
  21. 21.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
  22. 22.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) tiny paper bits (d) a heavy book
  23. 23.True or false: a mirror is not needed for the static comb. (a) False (b) True
  24. 24.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  25. 25.⚡ Which of these does not move to a charged comb? (a) a pebble (b) puffed rice (c) tiny paper bits (d) dry hair
  26. 26.⚖️ 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) False (b) True
  27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) turmeric powder (d) tiny paper bits
  28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) vinegar (c) tiny paper bits (d) dry hair
  29. 29.⚡ Which of these does not move to a charged comb? (a) a brick (b) dry hair (c) thermocol bits (d) a thin water stream
  30. 30.True or false: yeast is not needed for the static comb. (a) False (b) True
  31. 31.True or false: a battery cell is needed for the static comb. (a) False (b) True
  32. 32.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a mirror
  33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) a plastic comb (d) tiny paper bits
  34. 34.🧺 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) tiny paper bits
  35. 35.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  36. 36.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
  37. 37.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
  38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
  39. 39.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) turmeric powder
  40. 40.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed

Answer key

  1. a battery cell
  2. static electricity
  3. a balloon
  4. jumps to the comb
  5. needed
  6. the bits jump to it
  7. indoors
  8. jumps to the comb
  9. True
  10. needed
  11. we keep it the same
  12. damp air leaks charge
  13. False
  14. a brick
  15. it hardly works
  16. dry hair
  17. True
  18. not needed
  19. not needed
  20. paper bits picked up
  21. False
  22. a heavy book
  23. True
  24. False
  25. a pebble
  26. False
  27. turmeric powder
  28. vinegar
  29. a brick
  30. True
  31. False
  32. a mirror
  33. yeast
  34. a magnet
  35. not needed
  36. False
  37. the stream bends
  38. we measure it
  39. turmeric powder
  40. needed

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