Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 798 · 40 questions

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.

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

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