Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 441 · 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.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) under a tall tree (d) indoors
3. 3.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) a balloon (d) vinegar
4. 4.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same comb (c) paper bits picked up (d) distance to the paper
6. 6.🧺 Do we need vinegar 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) yeast (b) dry hair (c) a balloon (d) a plastic comb
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) a plastic comb (d) a balloon
9. 9.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) puffed rice (d) a brick
10. 10.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
11. 11.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a steel spoon (c) a heavy book (d) a brick
12. 12.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) dry hair (d) a mirror
13. 13.True or false: a plastic comb is needed for the static comb. (a) False (b) True
14. 14.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) nothing happens (d) they turn wet
15. 15.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a steel spoon (c) dry hair (d) thermocol bits
16. 16.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) a magnet (d) tiny paper bits
17. 17.⚖️ 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
18. 18.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a heavy book (c) a thin water stream (d) tiny paper bits
19. 19.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
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 turns into water (c) it sticks for a while (d) it falls straight down
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 keep it the same (b) we change it (c) we measure it
22. 22.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
23. 23.🔮 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 stops (d) the water freezes
24. 24.🧺 Which of these is not needed for the static comb? (a) dry hair (b) vinegar (c) tiny paper bits (d) a plastic comb
25. 25.True or false: a heavy book does not move to a charged comb. (a) False (b) True
26. 26.⚖️ 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 change it (c) we measure it
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a magnet (d) a balloon
28. 28.⚖️ 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
29. 29.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
31. 31.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
32. 32.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
33. 33.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) a pebble (d) dry hair
34. 34.⚖️ 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 measure it (c) we change it
35. 35.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
36. 36.True or false: a heavy book jumps to a charged comb. (a) True (b) False
37. 37.🛟 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) a rubbed balloon (d) plug points at home
38. 38.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
39. 39.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) a magnet (d) tiny paper bits
40. 40.🧺 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

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