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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 962 · 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 heavy book (b) a pebble (c) a brick (d) tiny paper bits
  2. 2.🧺 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) a mirror
  3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
  4. 4.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
  5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) distance to the paper
  6. 6.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a heavy book (c) a steel spoon (d) a pebble
  7. 7.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) wet hair is magnetic (c) dry days are noisy (d) water adds charge
  8. 8.🧺 Which of these is not needed for the static comb? (a) a magnet (b) tiny paper bits (c) a plastic comb (d) dry hair
  9. 9.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) dry hair (d) a pebble
  10. 10.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
  11. 11.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) puffed rice (c) a steel spoon (d) a brick
  12. 12.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
  13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
  14. 14.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  15. 15.True or false: a heavy book jumps to a charged comb. (a) True (b) False
  16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
  17. 17.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it bursts at once (d) it falls straight down
  18. 18.⚖️ 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) paper bits picked up (c) distance to the paper (d) number of rubs
  19. 19.🧺 Which of these is needed for the static comb? (a) dry hair (b) a battery cell (c) turmeric powder (d) a mirror
  20. 20.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) thermocol bits (d) a steel spoon
  21. 21.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) magnetism (d) sunlight
  22. 22.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  23. 23.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  24. 24.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a mirror (c) a plastic comb (d) dry hair
  25. 25.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) dry hair (c) a balloon (d) a plastic comb
  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 measure it (b) we change it (c) we keep it the same
  27. 27.⚖️ 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
  28. 28.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a pebble (c) a heavy book (d) a brick
  29. 29.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  30. 30.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  31. 31.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) nothing at all (d) the water stops
  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 keep it the same (b) we change it (c) we measure it
  33. 33.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) a thin water stream
  34. 34.True or false: puffed rice jumps to a charged comb. (a) False (b) True
  35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the same hair (c) paper bits picked up (d) number of rubs
  36. 36.⚖️ 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
  37. 37.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
  38. 38.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) a battery cell
  39. 39.⚖️ 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
  40. 40.True or false: a battery cell is not needed for the static comb. (a) True (b) False

Answer key

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

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