Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 362 · 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: dry hair is not needed for the static comb. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) thermocol bits (d) a thin water stream
3. 3.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) a magnet (d) a battery cell
4. 4.⚖️ 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
5. 5.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) nothing happens (d) they turn blue
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) dry hair (d) a balloon
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) a plastic comb (d) dry hair
8. 8.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
9. 9.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a pebble (c) thermocol bits (d) puffed rice
10. 10.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
11. 11.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a steel spoon (d) a pebble
12. 12.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it falls straight down (d) it sticks for a while
13. 13.⚖️ 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) distance to the paper (c) paper bits picked up (d) number of rubs
14. 14.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
15. 15.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
16. 16.True or false: dry hair jumps to a charged comb. (a) False (b) True
17. 17.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) puffed rice
18. 18.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) dry days are noisy (c) water adds charge (d) wet hair is magnetic
19. 19.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) a heavy book (d) puffed rice
21. 21.⚖️ 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
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.⚖️ 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
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a battery cell (c) dry hair (d) a balloon
25. 25.⚖️ 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) the same hair (d) paper bits picked up
26. 26.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it lights up (d) it hardly works
27. 27.⚖️ 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
28. 28.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
29. 29.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) puffed rice (d) a heavy book
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) a magnet
31. 31.⚖️ 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
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) dry hair (d) a plastic comb
33. 33.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
34. 34.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) a magnet (d) dry hair
35. 35.True or false: vinegar is needed for the static comb. (a) False (b) True
36. 36.⚖️ 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
37. 37.🧺 Which of these is not needed for the static comb? (a) a balloon (b) vinegar (c) dry hair (d) a plastic comb
38. 38.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
39. 39.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
40. 40.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb

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