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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 658 · 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.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
  2. 2.True or false: a heavy book jumps to a charged comb. (a) True (b) False
  3. 3.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it is hot (d) it has static charge
  4. 4.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) a balloon (d) yeast
  5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
  6. 6.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) puffed rice (d) tiny paper bits
  7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
  8. 8.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) paper bits on a comb (d) plug points at home
  9. 9.True or false: vinegar is needed for the static comb. (a) False (b) True
  10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same hair (c) paper bits picked up (d) distance to the paper
  11. 11.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
  13. 13.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
  14. 14.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
  15. 15.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a steel spoon (d) a thin water stream
  16. 16.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) vinegar (d) a plastic comb
  17. 17.True or false: a balloon is not needed for the static comb. (a) False (b) True
  18. 18.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) a rainbow (c) dew (d) the wind
  19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
  20. 20.🔍 Which is the odd one out? (a) a thin water stream (b) a brick (c) dry hair (d) tiny paper bits
  21. 21.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
  22. 22.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) puffed rice (d) tiny paper bits
  23. 23.True or false: a heavy book does not move to a charged comb. (a) False (b) True
  24. 24.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
  25. 25.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
  26. 26.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  27. 27.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it turns into water (d) it sticks for a while
  28. 28.🧺 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) turmeric powder
  29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
  30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
  31. 31.⚡ Which of these does not move to a charged comb? (a) a brick (b) dry hair (c) puffed rice (d) tiny paper bits
  32. 32.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
  33. 33.⚡ 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
  34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a heavy book (d) thermocol bits
  36. 36.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  37. 37.True or false: turmeric powder is needed for the static comb. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) puffed rice (d) thermocol bits
  39. 39.True or false: yeast is needed for the static comb. (a) True (b) False
  40. 40.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) yeast (d) a magnet

Answer key

  1. indoors
  2. False
  3. it has static charge
  4. a balloon
  5. we keep it the same
  6. a heavy book
  7. True
  8. plug points at home
  9. False
  10. paper bits picked up
  11. does not move
  12. we keep it the same
  13. False
  14. does not move
  15. a steel spoon
  16. a plastic comb
  17. False
  18. lightning
  19. False
  20. a brick
  21. needed
  22. a pebble
  23. True
  24. False
  25. jumps to the comb
  26. does not move
  27. it sticks for a while
  28. turmeric powder
  29. we measure it
  30. False
  31. a brick
  32. jumps to the comb
  33. the bits jump to it
  34. True
  35. thermocol bits
  36. needed
  37. False
  38. a heavy book
  39. False
  40. dry hair

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