Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 996 · 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.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
2. 2.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
3. 3.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) puffed rice (d) a heavy book
4. 4.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) gravity (d) static electricity
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) a plastic comb (d) tiny paper bits
6. 6.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) turmeric powder (d) dry hair
8. 8.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
9. 9.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
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 sticks for a while (c) it turns into water (d) it falls straight down
11. 11.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the same comb (c) number of rubs (d) the paper bit size
13. 13.True or false: a brick does not move to a charged comb. (a) False (b) True
14. 14.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a thin water stream (c) a heavy book (d) a steel spoon
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
16. 16.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
17. 17.⚖️ 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 measure it (c) we keep it the same
18. 18.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
19. 19.True or false: a pebble jumps to a charged comb. (a) False (b) True
20. 20.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a heavy book (d) puffed rice
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) paper bits picked up (c) number of rubs
22. 22.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
23. 23.True or false: dry hair is not needed for the static comb. (a) False (b) True
24. 24.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) a magnet (d) vinegar
25. 25.True or false: a plastic comb is needed for the static comb. (a) False (b) True
26. 26.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) a plastic comb (c) dry hair (d) tiny paper bits
27. 27.True or false: yeast is needed for the static comb. (a) True (b) False
28. 28.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) a brick (d) tiny paper bits
29. 29.⚖️ 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 keep it the same (c) we change it
30. 30.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops
31. 31.🧺 Which of these is not needed for the static comb? (a) yeast (b) tiny paper bits (c) dry hair (d) a balloon
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
33. 33.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
34. 34.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) yeast (c) a plastic comb (d) a battery cell
35. 35.⚖️ 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) paper bits picked up (d) distance to the paper
36. 36.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
37. 37.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
38. 38.⚖️ 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
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) a plastic comb (d) dry hair
40. 40.True or false: a plastic comb is not needed for the static comb. (a) True (b) False

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