Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 402 · 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.⚖️ 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) the same comb (c) paper bits picked up
2. 2.True or false: a pebble jumps to a charged comb. (a) False (b) True
3. 3.True or false: yeast is needed for the static comb. (a) True (b) False
4. 4.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
5. 5.True or false: puffed rice jumps to a charged comb. (a) True (b) False
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a balloon (d) turmeric powder
7. 7.⚖️ 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 measure it (c) we keep it the same
8. 8.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) puffed rice (c) thermocol bits (d) a thin water stream
9. 9.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
10. 10.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) yeast (d) a balloon
11. 11.⚖️ 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
12. 12.⚖️ 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
13. 13.True or false: a magnet is not needed for the static comb. (a) False (b) True
14. 14.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) on a rooftop (d) in an open field
15. 15.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) a brick (d) a heavy book
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (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 what we measure. (a) True (b) False
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a balloon (c) a plastic comb (d) dry hair
20. 20.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
21. 21.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) dry hair (d) a brick
22. 22.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) vinegar (d) a balloon
23. 23.True or false: a mirror is not needed for the static comb. (a) True (b) False
24. 24.True or false: a balloon is needed for the static comb. (a) False (b) True
25. 25.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) yeast (c) a magnet (d) dry hair
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) distance to the paper (c) the same comb (d) number of rubs
27. 27.True or false: yeast is not needed for the static comb. (a) False (b) True
28. 28.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) dry hair (c) tiny paper bits (d) a plastic comb
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? True or false: the same comb is the one thing we change. (a) True (b) False
31. 31.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
32. 32.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
33. 33.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
34. 34.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a pebble (d) tiny paper bits
35. 35.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
36. 36.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
37. 37.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same comb (c) paper bits picked up (d) the paper bit size
39. 39.⚖️ 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) paper bits picked up (c) the paper bit size
40. 40.True or false: a battery cell is not needed for the static comb. (a) False (b) True

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