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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 590 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
  2. 2.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) a magnet (d) a battery cell
  3. 3.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  4. 4.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it falls straight down (d) it bursts at once
  5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a magnet (d) a plastic comb
  6. 6.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a pebble (d) a thin water stream
  7. 7.True or false: a battery cell is needed for the static comb. (a) True (b) False
  8. 8.🔮 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 stream bends (d) the water stops
  9. 9.⚖️ 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
  10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same hair (c) paper bits picked up (d) the same comb
  11. 11.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
  12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) turmeric powder
  13. 13.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a steel spoon (d) puffed rice
  14. 14.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) nothing happens (d) they turn wet
  15. 15.True or false: yeast is not needed for the static comb. (a) True (b) False
  16. 16.True or false: dry hair jumps to a charged comb. (a) True (b) False
  17. 17.True or false: a brick jumps to a charged comb. (a) True (b) False
  18. 18.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
  19. 19.True or false: vinegar is needed for the static comb. (a) True (b) False
  20. 20.True or false: a battery cell is not needed for the static comb. (a) True (b) False
  21. 21.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  22. 22.True or false: a magnet is needed for the static comb. (a) True (b) False
  23. 23.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
  24. 24.⚖️ 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
  25. 25.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
  26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
  27. 27.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) a brick (d) a thin water stream
  28. 28.⚡ Which of these jumps to a charged comb? (a) a brick (b) tiny paper bits (c) a pebble (d) a heavy book
  29. 29.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) a balloon (d) vinegar
  30. 30.True or false: dry hair is needed for the static comb. (a) True (b) False
  31. 31.True or false: a pebble does not move to a charged comb. (a) False (b) True
  32. 32.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  33. 33.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  34. 34.True or false: a plastic comb is needed for the static comb. (a) True (b) False
  35. 35.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) turmeric powder (d) a plastic comb
  36. 36.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
  37. 37.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
  38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a balloon (c) tiny paper bits (d) dry hair
  39. 39.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) a pebble (d) a steel spoon
  40. 40.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb

Answer key

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

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