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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 182 · 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.

NameDateTime takenScore ___ / 40
  1. 1.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) tiny paper bits (c) a balloon (d) dry hair
  3. 3.⚖️ 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
  4. 4.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it bursts at once (d) it falls straight down
  5. 5.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  6. 6.⚖️ 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 paper bit size (c) paper bits picked up (d) number of rubs
  7. 7.⚖️ 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
  8. 8.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  9. 9.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
  10. 10.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
  11. 11.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
  12. 12.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) a plastic comb (d) a magnet
  13. 13.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) they turn wet (d) the bits jump to it
  14. 14.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
  15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) a balloon (d) dry hair
  16. 16.True or false: a balloon is not needed for the static comb. (a) True (b) False
  17. 17.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) dry hair (d) puffed rice
  18. 18.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  19. 19.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
  20. 20.⚖️ 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) paper bits picked up (c) the paper bit size (d) the same comb
  21. 21.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
  22. 22.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) tiny paper bits (d) vinegar
  23. 23.True or false: dry hair does not move to a charged comb. (a) False (b) True
  24. 24.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
  26. 26.True or false: a magnet is not needed for the static comb. (a) True (b) False
  27. 27.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) dry hair (d) yeast
  28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) a plastic comb (d) tiny paper bits
  29. 29.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a brick (d) tiny paper bits
  30. 30.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
  31. 31.🛟 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) a rubbed balloon (d) plug points at home
  32. 32.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
  33. 33.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) tiny paper bits (d) a pebble
  34. 34.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) dew (d) a rainbow
  35. 35.True or false: a plastic comb is needed for the static comb. (a) False (b) True
  36. 36.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
  37. 37.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  38. 38.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
  39. 39.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) a thin water stream (d) a brick
  40. 40.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False

Answer key

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

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