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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 505 · 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 of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) a plastic comb (d) a magnet
  2. 2.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
  3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) a balloon
  4. 4.🛟 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
  5. 5.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it lights up (d) it works better
  6. 6.True or false: a battery cell is not needed for the static comb. (a) True (b) False
  7. 7.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) tiny paper bits (d) a steel spoon
  8. 8.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  9. 9.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
  10. 10.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a mirror (d) a plastic comb
  11. 11.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) lightning (c) dew (d) the wind
  12. 12.True or false: a battery cell is needed for the static comb. (a) False (b) True
  13. 13.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it falls straight down (d) it sticks for a while
  14. 14.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
  15. 15.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
  16. 16.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) dry hair (d) a battery cell
  17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) paper bits picked up (c) the same hair (d) distance to the paper
  18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we keep it the same (c) we change it
  19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
  20. 20.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
  21. 21.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) a steel spoon (d) dry hair
  22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a battery cell
  23. 23.True or false: a heavy book jumps to a charged comb. (a) False (b) True
  24. 24.True or false: a brick does not move to a charged comb. (a) False (b) True
  25. 25.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
  27. 27.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) tiny paper bits (d) a heavy book
  28. 28.True or false: a mirror is not needed for the static comb. (a) False (b) True
  29. 29.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  30. 30.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) vinegar (d) a balloon
  31. 31.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn blue (d) they turn wet
  32. 32.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
  34. 34.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
  35. 35.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a brick (d) puffed rice
  36. 36.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) thermocol bits
  37. 37.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
  38. 38.⚖️ 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
  39. 39.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) yeast (d) a balloon

Answer key

  1. a plastic comb
  2. indoors
  3. a magnet
  4. plug points at home
  5. it hardly works
  6. True
  7. tiny paper bits
  8. not needed
  9. True
  10. a mirror
  11. lightning
  12. False
  13. it sticks for a while
  14. jumps to the comb
  15. False
  16. dry hair
  17. paper bits picked up
  18. we measure it
  19. False
  20. needed
  21. a steel spoon
  22. a battery cell
  23. False
  24. True
  25. needed
  26. True
  27. tiny paper bits
  28. True
  29. does not move
  30. vinegar
  31. the bits jump to it
  32. does not move
  33. False
  34. not needed
  35. puffed rice
  36. thermocol bits
  37. not needed
  38. True
  39. True
  40. yeast

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