Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 926 · 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: a pebble does not move to a charged comb. (a) False (b) True
2. 2.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) they turn wet (d) nothing happens
3. 3.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
5. 5.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
6. 6.True or false: a brick jumps to a charged comb. (a) True (b) False
7. 7.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
8. 8.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a plastic comb (c) tiny paper bits (d) a balloon
9. 9.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) turmeric powder (d) dry hair
10. 10.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
11. 11.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) damp air leaks charge (d) wet hair is magnetic
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) vinegar (d) a balloon
13. 13.True or false: a balloon is needed for the static comb. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) thermocol bits (d) dry hair
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a battery cell
16. 16.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
18. 18.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a pebble (c) a heavy book (d) a brick
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
20. 20.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
21. 21.True or false: a plastic comb is needed for the static comb. (a) True (b) False
22. 22.True or false: a magnet is not needed for the static comb. (a) False (b) True
23. 23.⚖️ 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
24. 24.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a magnet (d) a plastic comb
26. 26.⚖️ 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 paper bit size (c) distance to the paper (d) number of rubs
27. 27.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
28. 28.True or false: vinegar is needed for the static comb. (a) False (b) True
29. 29.⚖️ 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) paper bits picked up (c) the same comb (d) number of rubs
30. 30.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it lights up (d) it becomes a magnet
31. 31.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) in an open field (d) indoors
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) dry hair (d) a plastic comb
33. 33.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) a steel spoon (d) a heavy book
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
35. 35.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
36. 36.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a mirror (d) tiny paper bits
38. 38.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a steel spoon (d) a brick
39. 39.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) a steel spoon (d) tiny paper bits
40. 40.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) puffed rice (d) tiny paper bits

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