Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 113 · 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.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
2. 2.True or false: a mirror is not needed for the static comb. (a) False (b) True
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) the same hair (b) number of rubs (c) the same comb (d) distance to the paper
4. 4.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a steel spoon (d) a thin water stream
5. 5.⚖️ 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
6. 6.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it bursts at once (d) it falls straight down
7. 7.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
8. 8.True or false: yeast is needed for the static comb. (a) True (b) False
9. 9.⚡ A rubbed comb is held near a brick. 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) a balloon (d) tiny paper bits
12. 12.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
13. 13.⚖️ 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
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) a plastic comb (d) a balloon
15. 15.⚖️ 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
16. 16.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
19. 19.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) sunlight (d) magnetism
20. 20.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
22. 22.🧺 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
23. 23.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
24. 24.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a plastic comb (c) dry hair (d) a balloon
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
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 same hair (c) number of rubs
27. 27.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) number of rubs (c) the paper bit size (d) paper bits picked up
30. 30.⚖️ 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
31. 31.🧺 Which of these is not needed for the static comb? (a) yeast (b) a plastic comb (c) tiny paper bits (d) a balloon
32. 32.True or false: dry hair is needed for the static comb. (a) False (b) True
33. 33.🧺 Which of these is not needed for the static comb? (a) vinegar (b) a plastic comb (c) a balloon (d) tiny paper bits
34. 34.True or false: a balloon is needed for the static comb. (a) True (b) False
35. 35.True or false: dry hair jumps to a charged comb. (a) True (b) False
36. 36.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
37. 37.⚡ 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
38. 38.⚖️ 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
39. 39.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a heavy book (d) tiny paper bits
40. 40.True or false: turmeric powder is not needed for the static comb. (a) False (b) True

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