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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 201 · 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.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
  3. 3.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) tiny paper bits (d) a pebble
  4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) turmeric powder (d) dry hair
  5. 5.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) damp air leaks charge (d) water adds charge
  6. 6.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it becomes a magnet (d) it hardly works
  7. 7.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a heavy book (d) puffed rice
  8. 8.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) yeast (d) dry hair
  9. 9.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a steel spoon (d) a thin water stream
  10. 10.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
  11. 11.True or false: a battery cell is needed for the static comb. (a) True (b) False
  12. 12.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
  13. 13.True or false: yeast is needed for the static comb. (a) False (b) True
  14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) a plastic comb (d) a balloon
  15. 15.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  16. 16.True or false: a mirror is not needed for the static comb. (a) True (b) False
  17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) vinegar
  18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) dry hair (d) tiny paper bits
  19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the paper bit size (c) paper bits picked up (d) distance to the paper
  20. 20.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
  21. 21.⚖️ 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 paper bit size (c) paper bits picked up
  22. 22.🛟 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
  23. 23.🔮 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
  24. 24.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
  25. 25.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
  26. 26.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
  27. 27.True or false: a magnet is not needed for the static comb. (a) False (b) True
  28. 28.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
  29. 29.True or false: a brick does not move to a charged comb. (a) True (b) False
  30. 30.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  31. 31.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) dry hair
  32. 32.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a brick (d) thermocol bits
  33. 33.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) a magnet
  35. 35.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
  36. 36.🔮 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 turns into water (d) it sticks for a while
  37. 37.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a thin water stream (d) a brick
  38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
  39. 39.⚖️ 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) False (b) True
  40. 40.True or false: a balloon is needed for the static comb. (a) False (b) True

Answer key

  1. needed
  2. False
  3. tiny paper bits
  4. turmeric powder
  5. damp air leaks charge
  6. it hardly works
  7. puffed rice
  8. dry hair
  9. a thin water stream
  10. False
  11. False
  12. True
  13. False
  14. a battery cell
  15. needed
  16. True
  17. vinegar
  18. yeast
  19. number of rubs
  20. jumps to the comb
  21. the paper bit size
  22. plug points at home
  23. the stream bends
  24. indoors
  25. True
  26. jumps to the comb
  27. True
  28. False
  29. True
  30. not needed
  31. dry hair
  32. thermocol bits
  33. not needed
  34. a magnet
  35. True
  36. it sticks for a while
  37. a thin water stream
  38. False
  39. True
  40. True

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