Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 112 · 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: puffed rice does not move to a charged comb. (a) True (b) False
2. 2.True or false: turmeric powder is needed for the static comb. (a) False (b) True
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) dry hair (d) a plastic comb
4. 4.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a steel spoon (d) dry hair
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) dry hair (d) a balloon
6. 6.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
7. 7.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
8. 8.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
9. 9.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) dry hair (d) a thin water stream
10. 10.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) damp air leaks charge (d) dry days are noisy
11. 11.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
13. 13.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a heavy book (c) a brick (d) a pebble
14. 14.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
15. 15.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
16. 16.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) turmeric powder (d) tiny paper bits
17. 17.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) they turn blue (d) the bits jump to it
18. 18.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a brick (d) a heavy book
19. 19.True or false: a mirror is needed for the static comb. (a) True (b) False
20. 20.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) a pebble (d) tiny paper bits
21. 21.⚖️ 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) paper bits picked up (c) number of rubs
22. 22.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) the same hair (c) distance to the paper (d) number of rubs
24. 24.⚖️ 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 keep it the same (c) we change it
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) dry hair (c) tiny paper bits (d) a balloon
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) a balloon (d) a plastic comb
27. 27.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) a balloon (d) turmeric powder
28. 28.🧺 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 battery cell
29. 29.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) a heavy book (d) dry hair
30. 30.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
31. 31.⚖️ 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) True (b) False
32. 32.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
33. 33.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
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) the same comb (c) number of rubs
35. 35.⚖️ 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
36. 36.True or false: a pebble jumps to a charged comb. (a) True (b) False
37. 37.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
38. 38.⚖️ 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) the same comb (c) number of rubs (d) distance to the paper
39. 39.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) dry hair (d) turmeric powder
40. 40.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it lights up (d) it hardly works

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