Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 600 · 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? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) the same hair (c) distance to the paper (d) number of rubs
3. 3.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a brick (c) a steel spoon (d) a pebble
4. 4.⚖️ 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) True (b) False
5. 5.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
6. 6.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
7. 7.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) a plastic comb (d) turmeric powder
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
9. 9.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) thermocol bits (d) dry hair
10. 10.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
11. 11.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
12. 12.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
13. 13.True or false: a plastic comb is needed for the static comb. (a) True (b) False
14. 14.⚖️ 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
15. 15.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
16. 16.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it falls straight down (d) it sticks for a while
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) True (b) False
18. 18.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) damp air leaks charge (c) wet hair is magnetic (d) water adds charge
19. 19.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
20. 20.True or false: dry hair is needed for the static comb. (a) True (b) False
21. 21.⚖️ 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
22. 22.True or false: a brick does not move to a charged comb. (a) False (b) True
23. 23.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) turmeric powder (d) tiny paper bits
24. 24.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
25. 25.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
26. 26.🧺 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
27. 27.True or false: a balloon is needed for the static comb. (a) True (b) False
28. 28.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
29. 29.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it has static charge (d) it is hot
30. 30.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a balloon (c) vinegar (d) yeast
31. 31.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
32. 32.True or false: puffed rice jumps to a charged comb. (a) True (b) False
33. 33.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
34. 34.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) puffed rice (d) a steel spoon
35. 35.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
36. 36.⚖️ 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) paper bits picked up (c) the paper bit size (d) the same hair
37. 37.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
38. 38.True or false: vinegar is needed for the static comb. (a) True (b) False
39. 39.⚖️ 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 keep it the same (c) we measure it
40. 40.True or false: yeast is needed for the static comb. (a) True (b) False

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