Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 935 · 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.True or false: a balloon is not needed for the static comb. (a) False (b) True
2. 2.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) a plastic comb (d) yeast
3. 3.True or false: a pebble does not move to a charged comb. (a) True (b) False
4. 4.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
5. 5.True or false: dry hair is needed for the static comb. (a) False (b) True
6. 6.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
7. 7.⚖️ 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
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) a balloon (d) a plastic comb
9. 9.⚖️ 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
10. 10.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it has static charge (d) it is sticky
11. 11.🔮 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
12. 12.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) puffed rice
13. 13.🧺 Which of these is not needed for the static comb? (a) dry hair (b) turmeric powder (c) a balloon (d) tiny paper bits
14. 14.⚖️ 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
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) number of rubs (c) paper bits picked up
16. 16.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a heavy book (c) puffed rice (d) tiny paper bits
17. 17.True or false: a brick jumps to a charged comb. (a) True (b) False
18. 18.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
19. 19.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) lightning (d) dew
20. 20.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a brick (d) a pebble
21. 21.True or false: yeast is not needed for the static comb. (a) True (b) False
22. 22.⚖️ 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
23. 23.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
24. 24.⚖️ 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) the same comb (c) distance to the paper (d) the same hair
25. 25.⚖️ 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
26. 26.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a steel spoon (d) thermocol bits
27. 27.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) tiny paper bits (d) a thin water stream
28. 28.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) the bits jump to it (d) they turn blue
29. 29.⚖️ 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) True (b) False
30. 30.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) dry hair (d) thermocol bits
31. 31.🧺 Which of these is not needed for the static comb? (a) yeast (b) a plastic comb (c) tiny paper bits (d) dry hair
32. 32.⚖️ 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) True (b) False
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
34. 34.True or false: dry hair is not needed for the static comb. (a) True (b) False
35. 35.🛟 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
36. 36.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
37. 37.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) False (b) True
39. 39.🧺 Which of these is needed for the static comb? (a) a mirror (b) tiny paper bits (c) yeast (d) a battery cell
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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