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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 391 · 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) a magnet (b) tiny paper bits (c) yeast (d) a mirror
  2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
  3. 3.True or false: dry hair jumps to a charged comb. (a) True (b) False
  4. 4.🛟 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
  5. 5.True or false: a magnet is not needed for the static comb. (a) True (b) False
  6. 6.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
  7. 7.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
  8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
  9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the same hair (c) distance to the paper (d) paper bits picked up
  10. 10.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  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) distance to the paper (b) the paper bit size (c) number of rubs (d) the same comb
  12. 12.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) thermocol bits (c) a brick (d) a pebble
  13. 13.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) lightning (d) dew
  14. 14.True or false: a mirror is needed for the static comb. (a) True (b) False
  15. 15.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  16. 16.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a battery cell
  17. 17.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
  18. 18.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  19. 19.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
  20. 20.🔮 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
  21. 21.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) tiny paper bits (c) a steel spoon (d) a pebble
  22. 22.True or false: a pebble jumps to a charged comb. (a) True (b) False
  23. 23.🔮 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
  24. 24.True or false: a battery cell is not needed for the static comb. (a) False (b) True
  25. 25.True or false: a magnet is needed for the static comb. (a) False (b) True
  26. 26.⚖️ 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) False (b) True
  27. 27.True or false: yeast is not needed for the static comb. (a) True (b) False
  28. 28.⚡ 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
  29. 29.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
  30. 30.True or false: dry hair is needed for the static comb. (a) True (b) False
  31. 31.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
  32. 32.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) turmeric powder (d) a battery cell
  33. 33.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a thin water stream (d) a brick
  34. 34.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) dry hair (d) thermocol bits
  35. 35.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) thermocol bits (d) dry hair
  36. 36.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
  37. 37.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
  38. 38.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
  39. 39.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  40. 40.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it has static charge (c) it is sticky (d) it is hot

Answer key

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

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