Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 292 · 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.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
2. 2.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) a pebble (d) a thin water stream
3. 3.⚖️ 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
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) yeast (d) a balloon
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
6. 6.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) a magnet (d) tiny paper bits
7. 7.⚖️ 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
8. 8.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) thermocol bits
9. 9.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) a thin water stream (c) tiny paper bits (d) thermocol bits
10. 10.⚖️ 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
11. 11.⚡ Which of these does not move to a charged comb? (a) a brick (b) tiny paper bits (c) dry hair (d) puffed rice
12. 12.True or false: a battery cell is not needed for the static comb. (a) True (b) False
13. 13.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
14. 14.🛟 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
15. 15.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
16. 16.⚖️ 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
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
18. 18.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) yeast (d) a mirror
19. 19.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a steel spoon (d) a thin water stream
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) distance to the paper (c) the paper bit size (d) number of rubs
23. 23.True or false: a balloon is needed for the static comb. (a) True (b) False
24. 24.True or false: a brick does not move to a charged comb. (a) False (b) True
25. 25.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
26. 26.⚡ 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
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a plastic comb (c) a balloon (d) dry hair
28. 28.🧺 Which of these is needed for the static comb? (a) a balloon (b) vinegar (c) a magnet (d) a mirror
29. 29.True or false: a plastic comb is needed for the static comb. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a heavy book (d) tiny paper bits
31. 31.⚖️ 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
32. 32.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it falls straight down (d) it bursts at once
33. 33.⚖️ 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) the same comb
34. 34.⚖️ 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) the paper bit size
35. 35.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
36. 36.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
37. 37.True or false: a heavy book jumps to a charged comb. (a) False (b) True
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a balloon (d) turmeric powder
39. 39.True or false: dry hair does not move to a charged comb. (a) False (b) True
40. 40.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a battery cell

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