Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 593 · 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 of these jumps to a charged comb? (a) a heavy book (b) thermocol bits (c) a steel spoon (d) a pebble
2. 2.True or false: yeast is not needed for the static comb. (a) False (b) True
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) dry hair (d) a balloon
4. 4.⚖️ 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) the same comb (c) number of rubs
5. 5.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
7. 7.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
8. 8.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a heavy book (d) a thin water stream
9. 9.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a balloon (c) tiny paper bits (d) a plastic comb
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
11. 11.True or false: dry hair is not needed for the static comb. (a) True (b) False
12. 12.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
13. 13.🧺 Which of these is needed for the static comb? (a) a magnet (b) dry hair (c) turmeric powder (d) a battery cell
14. 14.⚖️ 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
15. 15.⚡ Which of these does not move to a charged comb? (a) a pebble (b) a thin water stream (c) tiny paper bits (d) dry hair
16. 16.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) damp air leaks charge (c) water adds charge (d) wet hair is magnetic
17. 17.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is sticky (d) it is a magnet
18. 18.⚖️ 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) number of rubs (c) the paper bit size (d) the same hair
19. 19.⚖️ 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
20. 20.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) vinegar (d) a battery cell
21. 21.⚖️ 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
22. 22.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
23. 23.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
24. 24.True or false: dry hair does not move to a charged comb. (a) False (b) True
25. 25.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
26. 26.⚖️ 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) the paper bit size (c) number of rubs
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) turmeric powder
28. 28.⚖️ 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) the same hair (c) number of rubs
29. 29.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) nothing happens (d) they turn blue
30. 30.True or false: a battery cell is not needed for the static comb. (a) False (b) True
31. 31.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
32. 32.⚖️ 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 hair (b) number of rubs (c) distance to the paper (d) paper bits picked up
33. 33.True or false: a mirror is not needed for the static comb. (a) False (b) True
34. 34.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
35. 35.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) tiny paper bits (d) turmeric powder
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
37. 37.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
38. 38.⚖️ 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
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) dry hair (d) a balloon
40. 40.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) lightning (d) the wind

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