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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 578 · 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.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) damp air leaks charge (c) water adds charge (d) wet hair is magnetic
  2. 2.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
  3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a battery cell (c) dry hair (d) tiny paper bits
  4. 4.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) a pebble (d) dry hair
  5. 5.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  6. 6.⚖️ 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) the same hair (d) number of rubs
  7. 7.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
  8. 8.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
  9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) distance to the paper
  10. 10.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it is hot (d) it has static charge
  11. 11.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
  12. 12.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) a brick (d) a pebble
  13. 13.🧺 Which of these is not needed for the static comb? (a) vinegar (b) dry hair (c) tiny paper bits (d) a plastic comb
  14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) True (b) False
  15. 15.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
  16. 16.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
  17. 17.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  18. 18.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) thermocol bits (d) puffed rice
  19. 19.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a battery cell (c) a balloon (d) a plastic comb
  20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a plastic comb (d) tiny paper bits
  21. 21.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) the bits jump to it (d) they turn wet
  22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) distance to the paper (c) the same hair (d) the same comb
  23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a mirror (d) dry hair
  24. 24.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a magnet (d) a balloon
  25. 25.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
  26. 26.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a heavy book (d) a brick
  27. 27.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) tiny paper bits (d) a heavy book
  28. 28.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes
  29. 29.⚖️ 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) number of rubs (c) paper bits picked up
  30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
  31. 31.⚖️ 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) the same hair (c) number of rubs
  32. 32.⚖️ 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
  33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
  34. 34.⚖️ 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
  35. 35.True or false: a battery cell is needed for the static comb. (a) True (b) False
  36. 36.🧺 Which of these is needed for the static comb? (a) a magnet (b) a balloon (c) a mirror (d) turmeric powder
  37. 37.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a thin water stream (d) a steel spoon
  38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) number of rubs (c) paper bits picked up
  39. 39.🔮 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 sticks for a while (d) it bursts at once
  40. 40.True or false: turmeric powder is not needed for the static comb. (a) True (b) False

Answer key

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

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