Static Electricity Experiment Worksheet

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

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