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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 30 · 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 not needed for the static comb? (a) a balloon (b) turmeric powder (c) tiny paper bits (d) a plastic comb
  2. 2.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) thermocol bits (d) a heavy book
  3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
  4. 4.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) turmeric powder
  6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
  7. 7.⚡ 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
  8. 8.🧺 Which of these is needed for the static comb? (a) yeast (b) vinegar (c) a magnet (d) dry hair
  9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) dry hair (c) a balloon (d) tiny paper bits
  10. 10.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  11. 11.⚖️ 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
  12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
  13. 13.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) tiny paper bits (d) a heavy book
  14. 14.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a brick (d) tiny paper bits
  15. 15.True or false: a balloon is needed for the static comb. (a) True (b) False
  16. 16.⚖️ 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) paper bits picked up (c) the paper bit size (d) the same hair
  17. 17.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
  18. 18.⚖️ 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 change it (c) we keep it the same
  19. 19.True or false: a battery cell is not needed for the static comb. (a) True (b) False
  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) the same comb (b) the same hair (c) number of rubs (d) paper bits picked up
  21. 21.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it lights up (d) it hardly works
  22. 22.True or false: a magnet is not needed for the static comb. (a) True (b) False
  23. 23.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) a balloon (d) a battery cell
  24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) dry hair (d) tiny paper bits
  25. 25.True or false: a magnet is needed for the static comb. (a) True (b) False
  26. 26.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  27. 27.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) puffed rice (c) a heavy book (d) a pebble
  28. 28.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it is a magnet (d) it has static charge
  29. 29.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a heavy book (d) thermocol bits
  30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
  31. 31.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) paper bits on a comb (d) plug points at home
  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 measure it (b) we change it (c) we keep it the same
  33. 33.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it turns into water (d) it sticks for a while
  34. 34.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) a plastic comb (d) a magnet
  35. 35.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
  36. 36.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) sunlight (d) magnetism
  37. 37.🔮 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
  38. 38.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a brick (d) a thin water stream
  39. 39.True or false: vinegar is not needed for the static comb. (a) True (b) False
  40. 40.True or false: a brick jumps to a charged comb. (a) False (b) True

Answer key

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

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