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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 534 · 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.🧺 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
  2. 2.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
  3. 3.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) on a rooftop (d) in an open field
  4. 4.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) the stream bends (d) nothing at all
  5. 5.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
  6. 6.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is a magnet (d) it is sticky
  7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
  8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) number of rubs (c) the paper bit size (d) paper bits picked up
  9. 9.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  10. 10.True or false: a plastic comb is needed for the static comb. (a) True (b) False
  11. 11.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a pebble (d) dry hair
  12. 12.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  13. 13.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a steel spoon (d) thermocol bits
  14. 14.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) a battery cell (d) tiny paper bits
  15. 15.🔍 Which is the odd one out? (a) thermocol bits (b) dry hair (c) tiny paper bits (d) a pebble
  16. 16.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  17. 17.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) damp air leaks charge (c) water adds charge (d) dry days are noisy
  18. 18.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) lightning (d) the wind
  19. 19.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  20. 20.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
  21. 21.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) a heavy book (d) thermocol bits
  22. 22.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) turmeric powder (d) a balloon
  23. 23.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) a magnet (d) dry hair
  24. 24.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) a plastic comb (d) a magnet
  25. 25.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a thin water stream (d) a heavy book
  26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
  27. 27.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) a brick (d) a thin water stream
  28. 28.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
  29. 29.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
  30. 30.🛟 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
  31. 31.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a pebble (d) dry hair
  32. 32.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
  33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) the same hair (c) the same comb (d) number of rubs
  34. 34.⚖️ 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
  35. 35.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  36. 36.True or false: a brick does not move to a charged comb. (a) False (b) True
  37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
  38. 38.⚖️ 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
  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 measure it (b) we change it (c) we keep it the same
  40. 40.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a pebble (d) thermocol bits

Answer key

  1. a mirror
  2. jumps to the comb
  3. indoors
  4. the stream bends
  5. True
  6. it has static charge
  7. we keep it the same
  8. paper bits picked up
  9. jumps to the comb
  10. True
  11. dry hair
  12. not needed
  13. thermocol bits
  14. tiny paper bits
  15. a pebble
  16. not needed
  17. damp air leaks charge
  18. lightning
  19. needed
  20. False
  21. a heavy book
  22. a balloon
  23. dry hair
  24. a plastic comb
  25. a thin water stream
  26. False
  27. a brick
  28. True
  29. not needed
  30. plug points at home
  31. dry hair
  32. static electricity
  33. number of rubs
  34. False
  35. jumps to the comb
  36. True
  37. False
  38. we keep it the same
  39. we change it
  40. thermocol bits

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