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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 282 · 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 mirror for the static comb? (a) not needed (b) needed
  2. 2.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
  3. 3.⚖️ 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
  4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
  5. 5.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a brick (d) a thin water stream
  6. 6.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
  7. 7.True or false: a balloon is needed for the static comb. (a) False (b) True
  8. 8.⚖️ 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
  9. 9.🔮 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
  10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) dry hair (d) tiny paper bits
  11. 11.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it
  12. 12.⚖️ 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
  13. 13.True or false: a heavy book jumps to a charged comb. (a) False (b) True
  14. 14.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  15. 15.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) dew (d) a rainbow
  16. 16.True or false: a battery cell is needed for the static comb. (a) True (b) False
  17. 17.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water stops (d) the water freezes
  18. 18.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  19. 19.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) magnetism (d) static electricity
  20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) False (b) True
  21. 21.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
  22. 22.True or false: a plastic comb is needed for the static comb. (a) True (b) False
  23. 23.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) puffed rice (d) a heavy book
  24. 24.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a magnet
  26. 26.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  27. 27.⚖️ 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 same comb (c) number of rubs (d) the paper bit size
  28. 28.🔮 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
  29. 29.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  30. 30.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a heavy book (c) a pebble (d) a steel spoon
  31. 31.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) tiny paper bits (d) a plastic comb
  33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) distance to the paper (c) number of rubs (d) paper bits picked up
  34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
  35. 35.True or false: a pebble jumps to a charged comb. (a) True (b) False
  36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a balloon (d) a battery cell
  37. 37.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a heavy book (d) tiny paper bits
  38. 38.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) thermocol bits (d) a brick
  39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
  40. 40.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it has static charge (d) it is a magnet

Answer key

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

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