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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 799 · 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: dry hair jumps to a charged comb. (a) False (b) True
  2. 2.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) a plastic comb (d) a battery cell
  3. 3.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
  4. 4.🧺 Which of these is needed for the static comb? (a) dry hair (b) turmeric powder (c) a battery cell (d) a magnet
  5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) vinegar
  6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
  7. 7.⚖️ 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
  8. 8.True or false: dry hair is not needed for the static comb. (a) False (b) True
  9. 9.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) thermocol bits
  10. 10.True or false: vinegar is needed for the static comb. (a) False (b) True
  11. 11.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  12. 12.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  13. 13.True or false: dry hair is needed for the static comb. (a) True (b) False
  14. 14.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a magnet
  15. 15.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) a pebble (d) a brick
  16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) paper bits picked up (c) number of rubs
  17. 17.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  18. 18.⚖️ 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) the same comb
  19. 19.⚖️ 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) False (b) True
  20. 20.🔮 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
  21. 21.⚡ 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
  22. 22.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) they turn wet (d) the bits jump to it
  23. 23.True or false: vinegar is not needed for the static comb. (a) True (b) False
  24. 24.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  25. 25.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
  26. 26.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) a rubbed balloon (d) plug points at home
  27. 27.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  28. 28.True or false: a battery cell is not needed for the static comb. (a) False (b) True
  29. 29.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the stream bends (d) the water freezes
  30. 30.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
  31. 31.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) dry hair (d) thermocol bits
  32. 32.⚖️ 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
  33. 33.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a heavy book (d) puffed rice
  34. 34.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
  35. 35.🔮 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
  36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) tiny paper bits (d) a plastic comb
  37. 37.⚖️ 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) number of rubs (c) paper bits picked up (d) the paper bit size
  38. 38.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) puffed rice (d) a steel spoon
  39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) a balloon (d) a plastic comb
  40. 40.⚖️ 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

Answer key

  1. True
  2. a plastic comb
  3. False
  4. dry hair
  5. vinegar
  6. False
  7. False
  8. False
  9. thermocol bits
  10. False
  11. does not move
  12. False
  13. True
  14. a magnet
  15. dry hair
  16. distance to the paper
  17. not needed
  18. the same comb
  19. False
  20. it sticks for a while
  21. it has static charge
  22. the bits jump to it
  23. True
  24. not needed
  25. indoors
  26. plug points at home
  27. needed
  28. True
  29. the stream bends
  30. jumps to the comb
  31. a pebble
  32. we change it
  33. puffed rice
  34. needed
  35. it hardly works
  36. a magnet
  37. number of rubs
  38. a steel spoon
  39. turmeric powder
  40. False

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