Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 200 · 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 is the odd one out? (a) tiny paper bits (b) a thin water stream (c) dry hair (d) a heavy book
2. 2.True or false: puffed rice does not move to a charged comb. (a) True (b) False
3. 3.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) a magnet (d) tiny paper bits
4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed plastic comb (d) a rubbed balloon
5. 5.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a battery cell (d) dry hair
7. 7.True or false: yeast is needed for the static comb. (a) False (b) True
8. 8.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) dew (d) a rainbow
9. 9.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
10. 10.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it turns into water (d) it falls straight down
11. 11.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
12. 12.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
13. 13.True or false: a balloon is not needed for the static comb. (a) False (b) True
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 measure it (b) we change it (c) we keep it the same
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
16. 16.True or false: puffed rice jumps to a charged comb. (a) True (b) False
17. 17.⚖️ 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
18. 18.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) dry hair (c) a plastic comb (d) a balloon
19. 19.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a mirror (c) a balloon (d) dry hair
20. 20.⚖️ 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
21. 21.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
22. 22.⚖️ 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
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a magnet (d) dry hair
24. 24.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
25. 25.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) a thin water stream (d) puffed rice
26. 26.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it becomes a magnet (d) it lights up
27. 27.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it
28. 28.🛟 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
29. 29.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a plastic comb (d) turmeric powder
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) dry hair (d) a plastic comb
31. 31.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
32. 32.⚖️ 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 same hair (d) the same comb
33. 33.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is a magnet (d) it is hot
34. 34.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) vinegar (d) dry hair
35. 35.🧺 Which of these is needed for the static comb? (a) a balloon (b) a magnet (c) turmeric powder (d) a battery cell
36. 36.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) wet hair is magnetic (d) damp air leaks charge
37. 37.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
38. 38.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) distance to the paper
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True

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