Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 81 · 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.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a pebble (d) thermocol bits
2. 2.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) dry hair (d) vinegar
3. 3.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) static electricity (d) gravity
4. 4.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) dry hair (d) a mirror
5. 5.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
6. 6.⚖️ 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) number of rubs (c) paper bits picked up (d) distance to the paper
7. 7.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a pebble (d) dry hair
8. 8.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a brick (d) dry hair
9. 9.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a battery cell (d) dry hair
10. 10.True or false: dry hair does not move to a charged comb. (a) True (b) False
11. 11.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works
12. 12.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) vinegar (d) tiny paper bits
13. 13.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) tiny paper bits (d) thermocol bits
14. 14.⚖️ 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
15. 15.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
16. 16.True or false: yeast is not needed for the static comb. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) a pebble (d) tiny paper bits
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
19. 19.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) vinegar
21. 21.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) the bits jump to it (d) nothing happens
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a mirror
23. 23.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a steel spoon (d) tiny paper bits
24. 24.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a pebble (d) a heavy book
25. 25.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
26. 26.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) dry days are noisy (d) damp air leaks charge
27. 27.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
28. 28.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed balloon (d) a rubbed plastic comb
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) tiny paper bits (d) dry hair
30. 30.True or false: dry hair is needed for the static comb. (a) False (b) True
31. 31.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
32. 32.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) a mirror (d) a plastic comb
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a battery cell
34. 34.⚖️ 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
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
36. 36.🧺 Which of these is not needed for the static comb? (a) yeast (b) dry hair (c) a balloon (d) a plastic comb
37. 37.True or false: a heavy book does not move to a charged comb. (a) False (b) True
38. 38.True or false: a brick does not move to a charged comb. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) dry hair (d) a heavy book
40. 40.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move

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