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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 963 · 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.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) a pebble (d) a brick
  2. 2.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) tiny paper bits (c) a plastic comb (d) a balloon
  3. 3.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a heavy book (d) dry hair
  4. 4.True or false: puffed rice does not move to a charged comb. (a) False (b) True
  5. 5.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  6. 6.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) the same comb
  8. 8.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
  9. 9.True or false: a battery cell is needed for the static comb. (a) True (b) False
  10. 10.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
  11. 11.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  12. 12.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) a rainbow (d) the wind
  13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
  14. 14.⚖️ 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
  15. 15.True or false: a magnet is not needed for the static comb. (a) True (b) False
  16. 16.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a thin water stream (d) a brick
  17. 17.True or false: a mirror is not needed for the static comb. (a) False (b) True
  18. 18.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) a steel spoon (d) a brick
  19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a mirror (d) a balloon
  20. 20.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  21. 21.🛟 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) plug points at home (d) a rubbed balloon
  22. 22.🔮 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
  23. 23.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  24. 24.True or false: vinegar is not needed for the static comb. (a) True (b) False
  25. 25.True or false: a pebble does not move to a charged comb. (a) False (b) True
  26. 26.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) yeast (d) turmeric powder
  27. 27.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  28. 28.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) thermocol bits (d) a brick
  29. 29.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn wet (d) they turn blue
  30. 30.⚖️ 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) distance to the paper (c) the same hair (d) the same comb
  31. 31.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
  32. 32.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) thermocol bits (c) dry hair (d) tiny paper bits
  33. 33.🧺 Which of these is needed for the static comb? (a) a balloon (b) a magnet (c) a battery cell (d) a mirror
  34. 34.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) puffed rice (d) a steel spoon
  35. 35.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
  36. 36.⚖️ 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) False (b) True
  37. 37.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
  38. 38.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) magnetism (d) sunlight
  39. 39.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is sticky (d) it is hot
  40. 40.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) a brick (d) puffed rice

Answer key

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

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