Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 459 · 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.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
2. 2.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
3. 3.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
4. 4.⚖️ 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
5. 5.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
6. 6.⚖️ 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) paper bits picked up (c) distance to the paper (d) number of rubs
7. 7.True or false: a battery cell is needed for the static comb. (a) True (b) False
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 change it (b) we keep it the same (c) we measure it
9. 9.⚖️ 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 same hair (d) the paper bit size
10. 10.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it sticks for a while (d) it turns into water
11. 11.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water freezes (d) the water stops
12. 12.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
13. 13.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
14. 14.⚖️ 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) number of rubs (c) the paper bit size
15. 15.🧺 Which of these is needed for the static comb? (a) dry hair (b) turmeric powder (c) yeast (d) a magnet
16. 16.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) turmeric powder
18. 18.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a steel spoon (d) thermocol bits
19. 19.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
20. 20.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) a heavy book (d) puffed rice
21. 21.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) sunlight (d) static electricity
22. 22.True or false: a mirror is needed for the static comb. (a) True (b) False
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) dry hair (d) tiny paper bits
24. 24.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
25. 25.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
26. 26.⚖️ 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
27. 27.True or false: dry hair does not move to a charged comb. (a) False (b) True
28. 28.⚖️ 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
29. 29.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
30. 30.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) vinegar (d) a battery cell
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
32. 32.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a pebble (d) a thin water stream
33. 33.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
34. 34.⚡ 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
35. 35.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
36. 36.True or false: turmeric powder is needed for the static comb. (a) False (b) True
37. 37.⚖️ 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 measure it (c) we keep it the same
38. 38.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a plastic comb (d) yeast
39. 39.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) thermocol bits (d) a brick
40. 40.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb

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