Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 53 · 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.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
2. 2.⚖️ 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
3. 3.True or false: dry hair does not move to a charged comb. (a) True (b) False
4. 4.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) dry days are noisy (d) wet hair is magnetic
5. 5.True or false: yeast is needed for the static comb. (a) False (b) True
6. 6.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) lightning (d) the wind
7. 7.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
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 change it (b) we keep it the same (c) we measure it
9. 9.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) puffed rice (d) a steel spoon
10. 10.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) thermocol bits (d) a heavy book
11. 11.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a thin water stream (c) a pebble (d) a brick
12. 12.True or false: a heavy book jumps to a charged comb. (a) False (b) True
13. 13.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
14. 14.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
15. 15.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
16. 16.⚖️ 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
17. 17.⚖️ 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
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same hair (c) the same comb (d) paper bits picked up
19. 19.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
20. 20.⚖️ 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
21. 21.⚖️ 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) paper bits picked up (c) number of rubs (d) the same hair
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a mirror (d) a balloon
23. 23.⚖️ 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) the same hair (c) paper bits picked up
24. 24.⚖️ 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
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a magnet (d) tiny paper bits
26. 26.True or false: a plastic comb is needed for the static comb. (a) False (b) True
27. 27.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
28. 28.⚡ Which of these does not move to a charged comb? (a) a brick (b) tiny paper bits (c) a thin water stream (d) dry hair
29. 29.True or false: a magnet is needed for the static comb. (a) True (b) False
30. 30.🧺 Which of these is needed for the static comb? (a) a magnet (b) dry hair (c) yeast (d) a battery cell
31. 31.🧺 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
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
33. 33.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
34. 34.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) turmeric powder (d) tiny paper bits
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
36. 36.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
38. 38.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
39. 39.🛟 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
40. 40.True or false: a magnet is not needed for the static comb. (a) True (b) False

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