Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 442 · 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.⚖️ 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
2. 2.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) a balloon (d) a magnet
3. 3.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) tiny paper bits (d) turmeric powder
4. 4.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
5. 5.True or false: a battery cell is needed for the static comb. (a) False (b) True
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) vinegar (c) a balloon (d) dry hair
8. 8.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a magnet (d) dry hair
9. 9.⚖️ 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 measure it (c) we change it
10. 10.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) static electricity (d) magnetism
11. 11.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) dry hair (c) thermocol bits (d) puffed rice
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same comb (c) paper bits picked up (d) distance to the paper
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) yeast (d) dry hair
14. 14.True or false: a mirror is not needed for the static comb. (a) False (b) True
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a mirror
16. 16.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) dry hair (d) puffed rice
17. 17.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) a steel spoon (d) a heavy book
18. 18.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) thermocol bits (d) a heavy book
19. 19.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the water stops (d) the stream bends
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) dry hair (d) a plastic comb
22. 22.True or false: a mirror is needed for the static comb. (a) True (b) False
23. 23.⚡ Which of these does not move to a charged comb? (a) a pebble (b) tiny paper bits (c) thermocol bits (d) dry hair
24. 24.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) a battery cell
26. 26.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) turmeric powder (d) dry hair
27. 27.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
28. 28.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
29. 29.⚡ 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
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) distance to the paper
31. 31.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
32. 32.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a steel spoon (d) dry hair
33. 33.True or false: puffed rice jumps to a charged comb. (a) False (b) True
34. 34.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a mirror (c) dry hair (d) a plastic comb
35. 35.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) a thin water stream (d) a heavy book
37. 37.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
38. 38.🔮 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 turns into water (d) it sticks for a while
39. 39.🛟 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
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True

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