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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 199 · 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.

NameDateTime takenScore ___ / 40
  1. 1.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
  2. 2.⚖️ 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) the same hair (c) the same comb (d) distance to the paper
  3. 3.🧺 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) turmeric powder
  4. 4.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn wet (d) they turn blue
  5. 5.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) magnetism (d) sunlight
  6. 6.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) puffed rice (d) a pebble
  7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a battery cell (c) a balloon (d) tiny paper bits
  8. 8.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a steel spoon (d) tiny paper bits
  9. 9.⚖️ 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
  10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
  11. 11.⚖️ 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
  12. 12.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
  13. 13.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
  14. 14.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
  15. 15.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
  16. 16.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a heavy book (d) puffed rice
  17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) tiny paper bits (d) a plastic comb
  18. 18.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
  19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the same hair (c) paper bits picked up (d) distance to the paper
  20. 20.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
  21. 21.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
  22. 22.⚖️ 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 paper bit size
  23. 23.🔮 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 bursts at once (d) it sticks for a while
  24. 24.🧺 Which of these is needed for the static comb? (a) a mirror (b) a plastic comb (c) a battery cell (d) yeast
  25. 25.⚡ Which of these jumps to a charged comb? (a) a pebble (b) dry hair (c) a brick (d) a heavy book
  26. 26.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a heavy book (c) a pebble (d) a steel spoon
  27. 27.⚖️ 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
  28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
  29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we keep it the same (c) we change it
  30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
  31. 31.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a battery cell (c) a plastic comb (d) a balloon
  32. 32.⚖️ 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
  33. 33.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a pebble (d) a thin water stream
  34. 34.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
  35. 35.🔮 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
  36. 36.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a heavy book (d) dry hair
  37. 37.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
  38. 38.⚡ 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
  39. 39.⚖️ 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) True (b) False
  40. 40.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) a brick (d) a pebble

Answer key

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

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