Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 886 · 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.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) tiny paper bits (c) a brick (d) a heavy book
2. 2.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) a balloon (d) yeast
3. 3.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a heavy book (d) tiny paper bits
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
5. 5.True or false: dry hair is not needed for the static comb. (a) True (b) False
6. 6.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) a mirror (d) a battery cell
7. 7.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
8. 8.⚖️ 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
9. 9.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a battery cell (c) a magnet (d) turmeric powder
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
11. 11.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
12. 12.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
13. 13.⚡ 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) they turn wet (d) nothing happens
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
15. 15.True or false: a mirror is needed for the static comb. (a) False (b) True
16. 16.⚖️ 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
17. 17.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
18. 18.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a pebble (d) dry hair
19. 19.True or false: a pebble jumps to a charged comb. (a) False (b) True
20. 20.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) tiny paper bits (d) a plastic comb
24. 24.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) a steel spoon (d) tiny paper bits
25. 25.⚖️ 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
26. 26.True or false: vinegar is needed for the static comb. (a) True (b) False
27. 27.True or false: dry hair does not move to a charged comb. (a) True (b) False
28. 28.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
29. 29.⚖️ 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 same hair
30. 30.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
31. 31.⚖️ 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
32. 32.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) a balloon (c) a plastic comb (d) tiny paper bits
33. 33.⚖️ 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) False (b) True
34. 34.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) tiny paper bits (d) dry hair
35. 35.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
36. 36.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
37. 37.True or false: a pebble does not move to a charged comb. (a) True (b) False
38. 38.True or false: yeast is needed for the static comb. (a) False (b) True
39. 39.⚖️ 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
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True

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