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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 451 · 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) tiny paper bits (b) thermocol bits (c) a thin water stream (d) a pebble
  2. 2.⚖️ 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
  3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
  4. 4.🛟 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
  5. 5.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) nothing happens (d) they turn wet
  6. 6.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
  7. 7.⚖️ 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
  8. 8.True or false: a pebble jumps to a charged comb. (a) True (b) False
  9. 9.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a pebble (d) a thin water stream
  10. 10.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
  11. 11.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) under a tall tree (d) on a rooftop
  12. 12.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a brick (c) a steel spoon (d) a heavy book
  13. 13.🔍 Which is the odd one out? (a) a heavy book (b) thermocol bits (c) a thin water stream (d) tiny paper bits
  14. 14.⚖️ 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 hair (b) number of rubs (c) paper bits picked up (d) the same comb
  15. 15.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
  16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
  17. 17.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
  18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) a plastic comb (d) tiny paper bits
  19. 19.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
  20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the same hair (c) number of rubs (d) the paper bit size
  21. 21.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a thin water stream (d) a heavy book
  22. 22.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
  23. 23.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it becomes a magnet (d) it works better
  24. 24.⚡ Which of these does not move to a charged comb? (a) a brick (b) puffed rice (c) a thin water stream (d) tiny paper bits
  25. 25.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) nothing at all (d) the water stops
  26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
  27. 27.⚡ Which of these jumps to a charged comb? (a) a brick (b) dry hair (c) a steel spoon (d) a pebble
  28. 28.True or false: puffed rice does not move to a charged comb. (a) True (b) False
  29. 29.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
  30. 30.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  31. 31.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) a thin water stream (d) a steel spoon
  32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) vinegar
  33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) a mirror (d) dry hair
  34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
  35. 35.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  36. 36.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
  37. 37.⚡ 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
  38. 38.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a pebble (d) puffed rice
  39. 39.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
  40. 40.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) magnetism (d) sunlight

Answer key

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

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