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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 806 · 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.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) a rubbed plastic comb (d) paper bits on a comb
  2. 2.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) vinegar (d) a plastic comb
  3. 3.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) a magnet (d) a balloon
  4. 4.True or false: a pebble does not move to a charged comb. (a) False (b) True
  5. 5.🧺 Which of these is not needed for the static comb? (a) a magnet (b) dry hair (c) tiny paper bits (d) a plastic comb
  6. 6.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) dry hair (d) a heavy book
  7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) dry hair (d) a balloon
  8. 8.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  9. 9.🔮 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 falls straight down (d) it bursts at once
  10. 10.🛟 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
  11. 11.⚖️ 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) number of rubs (c) the paper bit size (d) distance to the paper
  12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) tiny paper bits (d) dry hair
  13. 13.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) a brick (d) puffed rice
  14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) a plastic comb (d) tiny paper bits
  15. 15.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) dry hair (d) a magnet
  16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
  17. 17.⚖️ 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
  18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a magnet (c) dry hair (d) a balloon
  19. 19.⚡ 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
  20. 20.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
  21. 21.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) False (b) True
  23. 23.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) the water stops (d) nothing at all
  24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) a plastic comb (d) dry hair
  25. 25.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a thin water stream (d) puffed rice
  26. 26.True or false: a balloon is needed for the static comb. (a) False (b) True
  27. 27.True or false: a mirror is needed for the static comb. (a) False (b) True
  28. 28.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  29. 29.True or false: a heavy book does not move to a charged comb. (a) False (b) True
  30. 30.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works
  31. 31.True or false: vinegar is needed for the static comb. (a) False (b) True
  32. 32.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it
  33. 33.True or false: a magnet is needed for the static comb. (a) True (b) False
  34. 34.⚖️ 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
  35. 35.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
  36. 36.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) thermocol bits (d) a heavy book
  37. 37.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
  38. 38.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a steel spoon (d) puffed rice
  39. 39.⚖️ 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) True (b) False
  40. 40.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) dry hair (d) a brick

Answer key

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

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