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Static Electricity Experiment Worksheet

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

Answer key

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

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