Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 646 · 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 balloon is not needed for the static comb. (a) False (b) True
2. 2.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) distance to the paper (c) paper bits picked up (d) the same comb
4. 4.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
5. 5.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
6. 6.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
7. 7.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
8. 8.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a thin water stream (d) a steel spoon
9. 9.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
10. 10.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
11. 11.⚖️ 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
12. 12.⚖️ 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
13. 13.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) vinegar (d) a mirror
14. 14.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning
15. 15.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) a mirror (d) a balloon
16. 16.⚖️ 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 change it (c) we keep it the same
17. 17.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) gravity (d) magnetism
18. 18.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
19. 19.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) number of rubs (c) paper bits picked up
21. 21.⚖️ 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) False (b) True
22. 22.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) dry hair (d) a pebble
23. 23.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) a plastic comb (d) a balloon
24. 24.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
25. 25.⚖️ 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
26. 26.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
27. 27.🧺 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
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) dry hair (d) a magnet
29. 29.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) a battery cell (d) vinegar
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
31. 31.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) paper bits picked up (c) number of rubs
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a balloon (c) dry hair (d) a plastic comb
35. 35.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
36. 36.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) they turn wet (d) the bits jump to it
37. 37.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
38. 38.⚖️ 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) paper bits picked up (c) number of rubs (d) the same hair
39. 39.True or false: a heavy book jumps to a charged comb. (a) False (b) True
40. 40.🔮 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

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