Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 553 · 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 steel spoon (b) a pebble (c) a heavy book (d) a thin water stream
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we keep it the same (c) we change it
3. 3.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
4. 4.⚡ 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
5. 5.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops
6. 6.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
7. 7.🛟 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
8. 8.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it becomes a magnet (d) it works better
9. 9.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) a thin water stream (d) tiny paper bits
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
11. 11.⚖️ 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
12. 12.True or false: a brick jumps to a charged comb. (a) False (b) True
13. 13.True or false: a pebble jumps to a charged comb. (a) True (b) False
14. 14.True or false: dry hair does not move to a charged comb. (a) False (b) True
15. 15.⚖️ 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) True (b) False
16. 16.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
17. 17.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) vinegar (d) dry hair
18. 18.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
19. 19.⚖️ 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) number of rubs (d) paper bits picked up
20. 20.⚖️ 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
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
22. 22.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) turmeric powder (d) a balloon
23. 23.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) a brick (d) puffed rice
24. 24.⚖️ 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
25. 25.⚖️ 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
26. 26.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
27. 27.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
28. 28.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) a plastic comb (d) a balloon
30. 30.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
32. 32.🧺 Which of these is needed for the static comb? (a) yeast (b) a plastic comb (c) a magnet (d) a battery cell
33. 33.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) puffed rice (d) thermocol bits
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 same hair
35. 35.⚖️ 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
36. 36.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) a mirror
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a battery cell
38. 38.True or false: a mirror is not needed for the static comb. (a) False (b) True
39. 39.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) vinegar

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