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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 739 · 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 balloon is not needed for the static comb. (a) True (b) False
  2. 2.True or false: turmeric powder is needed for the static comb. (a) False (b) True
  3. 3.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) a pebble (d) tiny paper bits
  4. 4.🧺 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
  5. 5.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) a rainbow (d) the wind
  6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) dry hair (c) a plastic comb (d) a balloon
  7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a mirror
  8. 8.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  9. 9.True or false: a battery cell is not needed for the static comb. (a) False (b) True
  10. 10.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) tiny paper bits (c) dry hair (d) thermocol bits
  11. 11.⚖️ 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
  12. 12.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) a battery cell (d) a plastic comb
  13. 13.⚖️ 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
  14. 14.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  15. 15.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
  16. 16.🧺 Which of these is needed for the static comb? (a) vinegar (b) tiny paper bits (c) a mirror (d) yeast
  17. 17.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a brick (c) a thin water stream (d) dry hair
  18. 18.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  19. 19.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) damp air leaks charge (d) wet hair is magnetic
  20. 20.True or false: a pebble does not move to a charged comb. (a) True (b) False
  21. 21.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) nothing happens (d) they turn wet
  22. 22.True or false: a mirror is needed for the static comb. (a) True (b) False
  23. 23.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  24. 24.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) in an open field (d) indoors
  25. 25.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
  26. 26.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it bursts at once (d) it sticks for a while
  27. 27.True or false: a balloon is needed for the static comb. (a) False (b) True
  28. 28.⚖️ 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) True (b) False
  29. 29.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
  30. 30.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) a steel spoon (d) a heavy book
  31. 31.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) a pebble (d) tiny paper bits
  32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
  33. 33.⚖️ 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
  34. 34.True or false: dry hair is needed for the static comb. (a) False (b) True
  35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) distance to the paper (c) paper bits picked up (d) the same comb
  36. 36.⚖️ 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
  37. 37.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  38. 38.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) puffed rice (d) a steel spoon
  39. 39.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
  40. 40.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed

Answer key

  1. False
  2. False
  3. a pebble
  4. a battery cell
  5. lightning
  6. yeast
  7. a mirror
  8. does not move
  9. True
  10. a steel spoon
  11. False
  12. a plastic comb
  13. True
  14. jumps to the comb
  15. True
  16. tiny paper bits
  17. a brick
  18. not needed
  19. damp air leaks charge
  20. True
  21. the bits jump to it
  22. False
  23. not needed
  24. indoors
  25. False
  26. it sticks for a while
  27. True
  28. True
  29. False
  30. a thin water stream
  31. tiny paper bits
  32. False
  33. True
  34. True
  35. paper bits picked up
  36. True
  37. True
  38. puffed rice
  39. the stream bends
  40. needed

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