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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 723 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we change it (c) we keep it the same
  2. 2.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) a plastic comb (d) yeast
  3. 3.⚖️ 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
  4. 4.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) lightning (c) the wind (d) dew
  5. 5.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) thermocol bits (d) tiny paper bits
  6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
  7. 7.⚖️ 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
  8. 8.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a heavy book (d) a steel spoon
  9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
  10. 10.⚖️ 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 paper bit size (c) paper bits picked up (d) distance to the paper
  11. 11.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) tiny paper bits (d) dry hair
  12. 12.⚡ 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
  13. 13.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a steel spoon (d) a pebble
  14. 14.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  15. 15.🧺 Which of these is needed for the static comb? (a) dry hair (b) yeast (c) turmeric powder (d) a magnet
  16. 16.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
  18. 18.⚖️ 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
  19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
  20. 20.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a battery cell (d) a balloon
  21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) turmeric powder
  22. 22.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) a pebble (d) a heavy book
  23. 23.🧺 Which of these is needed for the static comb? (a) a balloon (b) a magnet (c) a mirror (d) a battery cell
  24. 24.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  25. 25.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a steel spoon (d) puffed rice
  26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) the paper bit size (c) number of rubs
  27. 27.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  28. 28.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) turmeric powder
  29. 29.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) puffed rice (d) a steel spoon
  30. 30.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
  31. 31.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
  32. 32.⚖️ 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
  33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) tiny paper bits (d) a balloon
  34. 34.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
  35. 35.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
  36. 36.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
  37. 37.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a mirror (c) a plastic comb (d) dry hair
  38. 38.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  39. 39.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a brick (d) a thin water stream
  40. 40.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move

Answer key

  1. we change it
  2. a plastic comb
  3. we measure it
  4. lightning
  5. a heavy book
  6. plug points at home
  7. False
  8. tiny paper bits
  9. we keep it the same
  10. number of rubs
  11. a steel spoon
  12. the bits jump to it
  13. a thin water stream
  14. not needed
  15. dry hair
  16. does not move
  17. True
  18. True
  19. we keep it the same
  20. a battery cell
  21. turmeric powder
  22. puffed rice
  23. a balloon
  24. needed
  25. a steel spoon
  26. the paper bit size
  27. not needed
  28. turmeric powder
  29. puffed rice
  30. the stream bends
  31. True
  32. we keep it the same
  33. vinegar
  34. True
  35. jumps to the comb
  36. True
  37. a mirror
  38. not needed
  39. a thin water stream
  40. does not move

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