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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 688 · 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) thermocol bits (b) tiny paper bits (c) dry hair (d) a steel spoon
  2. 2.True or false: a pebble jumps to a charged comb. (a) False (b) True
  3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) a plastic comb (d) dry hair
  4. 4.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) yeast (d) tiny paper bits
  5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the same hair (c) paper bits picked up (d) the paper bit size
  6. 6.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a battery cell (d) dry hair
  8. 8.🧺 Which of these is needed for the static comb? (a) a mirror (b) a plastic comb (c) a magnet (d) yeast
  9. 9.True or false: a magnet is needed for the static comb. (a) False (b) True
  10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a magnet
  11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
  12. 12.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) a heavy book (d) a pebble
  13. 13.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it sticks for a while (d) it turns into water
  14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) the paper bit size (c) number of rubs (d) distance to the paper
  15. 15.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) a thin water stream (d) a heavy book
  16. 16.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we keep it the same (c) we change it
  18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) number of rubs (c) paper bits picked up
  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 keep it the same (b) we measure it (c) we change it
  20. 20.True or false: puffed rice does not move to a charged comb. (a) True (b) False
  21. 21.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) a rainbow (d) dew
  22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) turmeric powder (d) dry hair
  23. 23.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  24. 24.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) tiny paper bits (c) thermocol bits (d) a thin water stream
  25. 25.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
  27. 27.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
  28. 28.⚖️ 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
  29. 29.⚡ 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
  30. 30.True or false: dry hair is not needed for the static comb. (a) True (b) False
  31. 31.True or false: tiny paper bits jumps 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.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) a pebble (d) puffed rice
  34. 34.⚖️ 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
  35. 35.True or false: a balloon is not needed for the static comb. (a) False (b) True
  36. 36.⚖️ 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) True (b) False
  37. 37.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  38. 38.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a brick (c) a thin water stream (d) tiny paper bits
  39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
  40. 40.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb

Answer key

  1. a steel spoon
  2. False
  3. a mirror
  4. tiny paper bits
  5. paper bits picked up
  6. does not move
  7. a battery cell
  8. a plastic comb
  9. False
  10. a magnet
  11. False
  12. a thin water stream
  13. it sticks for a while
  14. number of rubs
  15. a heavy book
  16. not needed
  17. we measure it
  18. the paper bit size
  19. we keep it the same
  20. False
  21. lightning
  22. turmeric powder
  23. not needed
  24. a heavy book
  25. False
  26. we keep it the same
  27. static electricity
  28. True
  29. damp air leaks charge
  30. False
  31. True
  32. does not move
  33. a pebble
  34. False
  35. False
  36. False
  37. not needed
  38. a brick
  39. we change it
  40. plug points at home

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