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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 916 · 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.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) dry hair (d) a thin water stream
  2. 2.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it turns into water (d) it sticks for a while
  3. 3.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a mirror (d) a balloon
  4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we keep it the same (c) we measure it
  5. 5.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
  6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same hair (c) the same comb (d) the paper bit size
  7. 7.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) tiny paper bits (d) a brick
  8. 8.True or false: puffed rice jumps to a charged comb. (a) False (b) True
  9. 9.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) thermocol bits (d) a steel spoon
  10. 10.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  11. 11.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a pebble (d) dry hair
  12. 12.⚖️ 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
  13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
  14. 14.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  15. 15.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  16. 16.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  17. 17.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a brick (d) thermocol bits
  18. 18.True or false: a balloon is not needed for the static comb. (a) True (b) False
  19. 19.True or false: a heavy book jumps to a charged comb. (a) False (b) True
  20. 20.True or false: a battery cell is needed for the static comb. (a) False (b) True
  21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a plastic comb (c) a balloon (d) tiny paper bits
  22. 22.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  23. 23.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
  24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a battery cell (c) a balloon (d) tiny paper bits
  25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
  26. 26.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) a battery cell (d) tiny paper bits
  27. 27.🧺 Which of these is needed for the static comb? (a) dry hair (b) a battery cell (c) a mirror (d) a magnet
  28. 28.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
  29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
  30. 30.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) vinegar (d) tiny paper bits
  32. 32.⚖️ 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
  33. 33.⚖️ 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) paper bits picked up (c) the paper bit size (d) number of rubs
  34. 34.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
  35. 35.True or false: yeast is not needed for the static comb. (a) False (b) True
  36. 36.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) a thin water stream (c) puffed rice (d) tiny paper bits
  37. 37.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
  39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) a plastic comb (d) tiny paper bits
  40. 40.⚡ 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) they turn wet (d) nothing happens

Answer key

  1. a pebble
  2. it sticks for a while
  3. a mirror
  4. we keep it the same
  5. False
  6. number of rubs
  7. tiny paper bits
  8. True
  9. a steel spoon
  10. needed
  11. dry hair
  12. True
  13. we change it
  14. jumps to the comb
  15. does not move
  16. not needed
  17. a brick
  18. False
  19. False
  20. False
  21. a mirror
  22. not needed
  23. plug points at home
  24. a battery cell
  25. True
  26. a battery cell
  27. dry hair
  28. True
  29. we measure it
  30. jumps to the comb
  31. vinegar
  32. we keep it the same
  33. paper bits picked up
  34. jumps to the comb
  35. True
  36. a steel spoon
  37. needed
  38. we keep it the same
  39. yeast
  40. the bits jump to it

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