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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 554 · 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 is the odd one out? (a) dry hair (b) tiny paper bits (c) a heavy book (d) a thin water stream
  2. 2.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) a plastic comb (d) a magnet
  3. 3.True or false: a mirror is needed for the static comb. (a) True (b) False
  4. 4.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it falls straight down (d) it turns into water
  5. 5.🛟 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
  6. 6.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
  7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
  8. 8.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a mirror (d) a plastic comb
  9. 9.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) vinegar (c) tiny paper bits (d) a mirror
  10. 10.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) they turn wet (d) nothing happens
  11. 11.⚖️ 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
  12. 12.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
  14. 14.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) sunlight (d) gravity
  15. 15.⚖️ 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
  16. 16.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a heavy book (d) puffed rice
  17. 17.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
  18. 18.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it has static charge (d) it is sticky
  19. 19.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) dry hair (c) a mirror (d) a magnet
  20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) a magnet (d) dry hair
  21. 21.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a heavy book (c) a steel spoon (d) a pebble
  22. 22.True or false: dry hair does not move to a charged 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) a plastic comb (c) a balloon (d) vinegar
  24. 24.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it becomes a magnet (d) it hardly works
  25. 25.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
  26. 26.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
  27. 27.⚖️ 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
  28. 28.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the water freezes (d) the stream bends
  29. 29.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) a mirror
  31. 31.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a brick (c) a heavy book (d) a pebble
  32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) turmeric powder (d) dry hair
  33. 33.🧺 Which of these is not needed for the static comb? (a) dry hair (b) turmeric powder (c) a balloon (d) tiny paper bits
  34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
  35. 35.⚖️ 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
  36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
  37. 37.⚖️ 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) distance to the paper (c) paper bits picked up
  38. 38.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) a brick (d) tiny paper bits
  39. 39.True or false: a pebble does not move to a charged comb. (a) True (b) False
  40. 40.True or false: a battery cell is needed for the static comb. (a) True (b) False

Answer key

  1. a heavy book
  2. a plastic comb
  3. False
  4. it sticks for a while
  5. indoors
  6. needed
  7. False
  8. a mirror
  9. tiny paper bits
  10. the bits jump to it
  11. we keep it the same
  12. needed
  13. we keep it the same
  14. static electricity
  15. True
  16. puffed rice
  17. True
  18. it has static charge
  19. dry hair
  20. a magnet
  21. tiny paper bits
  22. False
  23. vinegar
  24. it hardly works
  25. jumps to the comb
  26. True
  27. True
  28. the stream bends
  29. not needed
  30. a mirror
  31. thermocol bits
  32. turmeric powder
  33. turmeric powder
  34. False
  35. True
  36. True
  37. distance to the paper
  38. a brick
  39. True
  40. False

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