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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 636 · 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.True or false: a plastic comb is needed for the static comb. (a) True (b) False
  2. 2.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
  3. 3.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a balloon (d) a battery cell
  4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed balloon (d) a rubbed plastic comb
  5. 5.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  6. 6.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
  8. 8.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) a brick (d) puffed rice
  9. 9.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
  10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same
  11. 11.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a brick (d) a heavy book
  12. 12.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes
  13. 13.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) thermocol bits (c) a heavy book (d) a brick
  14. 14.⚖️ 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
  15. 15.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) dry hair (c) a pebble (d) a steel spoon
  16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) turmeric powder (d) a plastic comb
  17. 17.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) under a tall tree (d) on a rooftop
  18. 18.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) static electricity (d) gravity
  19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a balloon (d) a magnet
  20. 20.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it lights up (d) it becomes a magnet
  21. 21.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  22. 22.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it bursts at once (d) it falls straight down
  23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) yeast (d) a plastic comb
  24. 24.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
  25. 25.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
  26. 26.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
  27. 27.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a pebble (c) a thin water stream (d) tiny paper bits
  28. 28.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) a heavy book (d) thermocol bits
  29. 29.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) a battery cell (d) dry hair
  30. 30.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
  31. 31.⚖️ 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
  32. 32.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a thin water stream (d) dry hair
  33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a mirror (d) dry hair
  34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) vinegar (c) dry hair (d) a plastic comb
  35. 35.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) the wind (d) lightning
  36. 36.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) water adds charge (d) damp air leaks charge
  37. 37.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) turmeric powder (c) dry hair (d) a plastic comb
  38. 38.⚖️ 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) False (b) True
  39. 39.True or false: a pebble does not move to a charged comb. (a) True (b) False
  40. 40.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a battery cell (c) tiny paper bits (d) a plastic comb

Answer key

  1. True
  2. True
  3. a balloon
  4. plug points at home
  5. needed
  6. does not move
  7. False
  8. a brick
  9. not needed
  10. we keep it the same
  11. puffed rice
  12. the stream bends
  13. thermocol bits
  14. we change it
  15. dry hair
  16. turmeric powder
  17. indoors
  18. static electricity
  19. a magnet
  20. it hardly works
  21. needed
  22. it sticks for a while
  23. yeast
  24. True
  25. does not move
  26. False
  27. a pebble
  28. a heavy book
  29. dry hair
  30. not needed
  31. True
  32. a steel spoon
  33. a mirror
  34. vinegar
  35. lightning
  36. damp air leaks charge
  37. turmeric powder
  38. False
  39. True
  40. a battery cell

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