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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 878 · 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) a thin water stream (b) a steel spoon (c) a pebble (d) a heavy book
  2. 2.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a mirror (c) a balloon (d) a plastic comb
  3. 3.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is hot (d) it is a magnet
  4. 4.⚖️ 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
  5. 5.True or false: a thin water stream jumps to a charged 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 stops (b) nothing at all (c) the water freezes (d) the stream bends
  7. 7.⚖️ 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) True (b) False
  8. 8.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  9. 9.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) thermocol bits (d) a heavy book
  10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
  11. 11.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) tiny paper bits (d) a brick
  12. 12.True or false: dry hair is needed for the static comb. (a) False (b) True
  13. 13.⚖️ 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
  14. 14.🛟 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
  15. 15.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
  16. 16.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  17. 17.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it falls straight down (d) it sticks for a while
  18. 18.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
  19. 19.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
  20. 20.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
  21. 21.⚡ Which of these jumps to a charged comb? (a) a pebble (b) tiny paper bits (c) a heavy book (d) a steel spoon
  22. 22.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
  23. 23.True or false: puffed rice jumps to a charged comb. (a) False (b) True
  24. 24.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) indoors (d) in an open field
  25. 25.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
  26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a mirror
  27. 27.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
  28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) paper bits picked up (c) the same hair (d) the same comb
  29. 29.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) vinegar (d) dry hair
  30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
  31. 31.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) a thin water stream (c) puffed rice (d) tiny paper bits
  32. 32.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a steel spoon (d) a heavy book
  33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) paper bits picked up (c) the paper bit size (d) the same comb
  34. 34.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  35. 35.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
  36. 36.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
  37. 37.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a heavy book (d) puffed rice
  38. 38.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) puffed rice (d) a steel spoon
  39. 39.⚖️ 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
  40. 40.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb

Answer key

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

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