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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 824 · 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.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
  2. 2.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) a balloon (d) vinegar
  3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a magnet (d) tiny paper bits
  4. 4.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
  5. 5.True or false: dry hair is needed for the static comb. (a) True (b) False
  6. 6.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
  7. 7.True or false: dry hair does not move to a charged comb. (a) True (b) False
  8. 8.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) a mirror
  9. 9.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) tiny paper bits (d) a brick
  10. 10.🧺 Which of these is not needed for the static comb? (a) a magnet (b) tiny paper bits (c) dry hair (d) a plastic comb
  11. 11.True or false: turmeric powder is needed for the static comb. (a) True (b) False
  12. 12.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
  13. 13.⚖️ 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) the same comb (c) paper bits picked up (d) distance to the paper
  14. 14.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
  15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we keep it the same (c) we measure it
  16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) turmeric powder (d) a balloon
  17. 17.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it sticks for a while (d) it bursts at once
  18. 18.⚖️ 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) number of rubs (c) the same hair
  19. 19.🔮 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
  20. 20.True or false: a battery cell is not needed for the static comb. (a) True (b) False
  21. 21.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a brick (d) puffed rice
  22. 22.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) a battery cell
  24. 24.True or false: a heavy book jumps to a charged comb. (a) False (b) True
  25. 25.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a steel spoon (d) a brick
  26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
  27. 27.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) damp air leaks charge (d) water adds charge
  28. 28.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  29. 29.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
  30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) vinegar (c) dry hair (d) a plastic comb
  31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a mirror (d) a balloon
  32. 32.⚖️ 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
  33. 33.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) a thin water stream (d) a heavy book
  34. 34.True or false: a brick does not move to a charged comb. (a) False (b) True
  35. 35.🧺 Which of these is needed for the static comb? (a) yeast (b) a magnet (c) dry hair (d) turmeric powder
  36. 36.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) turmeric powder (c) dry hair (d) a plastic comb
  37. 37.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
  38. 38.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
  39. 39.True or false: a balloon is not needed for the static comb. (a) False (b) True
  40. 40.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a battery cell (d) a balloon

Answer key

  1. needed
  2. a balloon
  3. a magnet
  4. not needed
  5. True
  6. the stream bends
  7. False
  8. a mirror
  9. a brick
  10. a magnet
  11. False
  12. indoors
  13. paper bits picked up
  14. True
  15. we keep it the same
  16. turmeric powder
  17. it sticks for a while
  18. the same hair
  19. it hardly works
  20. True
  21. puffed rice
  22. False
  23. a battery cell
  24. False
  25. dry hair
  26. we keep it the same
  27. damp air leaks charge
  28. does not move
  29. plug points at home
  30. vinegar
  31. a mirror
  32. False
  33. a heavy book
  34. True
  35. dry hair
  36. turmeric powder
  37. does not move
  38. not needed
  39. False
  40. a battery cell

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