Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 580 · 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 does not move to a charged comb? (a) a thin water stream (b) dry hair (c) thermocol bits (d) a pebble
2. 2.True or false: turmeric powder is needed for the static comb. (a) True (b) False
3. 3.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it is sticky (d) it has static charge
4. 4.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
5. 5.True or false: yeast is not needed for the static comb. (a) False (b) True
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
7. 7.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) damp air leaks charge (c) wet hair is magnetic (d) water adds charge
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
9. 9.⚖️ 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
10. 10.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
11. 11.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
12. 12.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
13. 13.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed plastic comb (d) a rubbed balloon
14. 14.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
15. 15.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) vinegar
16. 16.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
17. 17.True or false: a mirror is not needed for the static comb. (a) False (b) True
18. 18.⚖️ 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 change it (c) we keep it the same
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
20. 20.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it sticks for a while (d) it bursts at once
21. 21.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) static electricity (d) gravity
22. 22.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
23. 23.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) thermocol bits (d) tiny paper bits
24. 24.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) a pebble (d) a thin water stream
25. 25.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) dew (d) a rainbow
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) tiny paper bits (d) a balloon
27. 27.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
28. 28.⚖️ 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) number of rubs (c) the same hair (d) paper bits picked up
29. 29.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) vinegar
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) a mirror
32. 32.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
33. 33.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
34. 34.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a battery cell (c) dry hair (d) a balloon
35. 35.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) a battery cell (d) a balloon
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
37. 37.True or false: a pebble does not move to a charged comb. (a) True (b) False
38. 38.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
39. 39.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
40. 40.⚖️ 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) True (b) False

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