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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 532 · 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 of these is needed for the static comb? (a) a mirror (b) a balloon (c) vinegar (d) yeast
  2. 2.🔮 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
  3. 3.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
  4. 4.True or false: puffed rice jumps to a charged comb. (a) True (b) False
  5. 5.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) vinegar (d) dry hair
  6. 6.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
  7. 7.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) lightning (d) a rainbow
  8. 8.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) puffed rice (d) a heavy book
  9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) a plastic comb (d) a balloon
  10. 10.⚖️ 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
  11. 11.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
  12. 12.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) dry hair (d) a mirror
  13. 13.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  14. 14.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) indoors (d) on a rooftop
  15. 15.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
  16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
  17. 17.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
  18. 18.⚖️ 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
  19. 19.⚡ Which of these jumps to a charged comb? (a) a brick (b) tiny paper bits (c) a pebble (d) a heavy book
  20. 20.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it is hot (d) it has static charge
  21. 21.⚖️ 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
  22. 22.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
  23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) turmeric powder
  24. 24.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
  25. 25.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
  26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (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 the one thing we change. (a) False (b) True
  28. 28.⚖️ 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
  29. 29.⚖️ 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
  30. 30.True or false: dry hair is needed for the static comb. (a) False (b) True
  31. 31.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
  32. 32.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
  33. 33.True or false: a brick does not move to a charged comb. (a) True (b) False
  34. 34.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
  35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a mirror (d) tiny paper bits
  36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
  37. 37.True or false: a pebble does not move to a charged comb. (a) False (b) True
  38. 38.⚖️ 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
  39. 39.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) static electricity (d) gravity
  40. 40.⚖️ 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

Answer key

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

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