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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 107 · 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.

NameDateTime takenScore ___ / 40
  1. 1.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
  2. 2.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) a thin water stream (d) puffed rice
  3. 3.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  4. 4.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  5. 5.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  6. 6.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  7. 7.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a thin water stream (d) a pebble
  8. 8.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  9. 9.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) sunlight (c) gravity (d) magnetism
  10. 10.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
  11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
  12. 12.⚖️ 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 comb (b) the paper bit size (c) distance to the paper (d) number of rubs
  13. 13.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  14. 14.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) tiny paper bits (d) puffed rice
  15. 15.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
  16. 16.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  17. 17.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) a magnet (d) dry hair
  18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) a battery cell
  19. 19.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it becomes a magnet (d) it works better
  20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) a plastic comb (d) tiny paper bits
  21. 21.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) nothing at all (d) the water stops
  22. 22.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) water adds charge (c) dry days are noisy (d) wet hair is magnetic
  23. 23.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) a balloon (d) a battery cell
  24. 24.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  25. 25.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) a brick (d) a steel spoon
  26. 26.True or false: a brick jumps to a charged comb. (a) False (b) True
  27. 27.True or false: a balloon is not needed for the static comb. (a) True (b) False
  28. 28.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed balloon (d) a rubbed plastic comb
  29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) distance to the paper (c) number of rubs (d) the same comb
  30. 30.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
  31. 31.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a heavy book (d) thermocol bits
  32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a mirror
  33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
  34. 34.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) the wind (d) lightning
  35. 35.True or false: a heavy book jumps to a charged comb. (a) True (b) False
  36. 36.⚖️ 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) True (b) False
  37. 37.⚖️ 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
  38. 38.⚖️ 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) the same comb (c) paper bits picked up
  39. 39.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) vinegar
  40. 40.True or false: a magnet is needed for the static comb. (a) False (b) True

Answer key

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

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