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Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 951 · 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.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a magnet (c) a plastic comb (d) dry hair
  2. 2.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the stream bends (d) the water freezes
  3. 3.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) damp air leaks charge (d) wet hair is magnetic
  4. 4.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) vinegar (c) a balloon (d) yeast
  5. 5.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) tiny paper bits (d) a pebble
  6. 6.True or false: a brick jumps to a charged comb. (a) True (b) False
  7. 7.⚖️ 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) the paper bit size (c) paper bits picked up (d) the same comb
  8. 8.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning
  9. 9.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) dry hair (d) a heavy book
  10. 10.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
  11. 11.⚖️ 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) True (b) False
  12. 12.True or false: a heavy book jumps to a charged comb. (a) True (b) False
  13. 13.🛟 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
  14. 14.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
  15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a plastic comb (d) a balloon
  16. 16.True or false: a battery cell is needed for the static comb. (a) True (b) False
  17. 17.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a brick (d) puffed rice
  18. 18.🔮 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 sticks for a while (d) it falls straight down
  19. 19.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) a pebble (d) a thin water stream
  20. 20.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) magnetism (d) static electricity
  21. 21.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
  22. 22.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
  23. 23.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
  24. 24.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
  25. 25.⚡ 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
  26. 26.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
  27. 27.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) a mirror (d) a battery cell
  28. 28.True or false: a balloon is needed for the static comb. (a) False (b) True
  29. 29.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it lights up (d) it becomes a magnet
  30. 30.🧺 Which of these is not needed for the static comb? (a) a mirror (b) tiny paper bits (c) a plastic comb (d) dry hair
  31. 31.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
  32. 32.True or false: turmeric powder is needed for the static comb. (a) True (b) False
  33. 33.True or false: a magnet is not needed for the static comb. (a) False (b) True
  34. 34.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) a thin water stream (d) tiny paper bits
  36. 36.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
  37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
  38. 38.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) dry hair (d) a steel spoon
  39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) a mirror
  40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) dry hair (d) a plastic comb

Answer key

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

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