Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 645 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) tiny paper bits (d) dry hair
2. 2.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a steel spoon (d) a heavy book
3. 3.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) magnetism (d) sunlight
4. 4.True or false: a plastic comb is needed for the static comb. (a) True (b) False
5. 5.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) puffed rice (d) a pebble
6. 6.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
7. 7.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a mirror (c) yeast (d) vinegar
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) paper bits picked up (c) number of rubs
9. 9.True or false: dry hair is needed for the static comb. (a) False (b) True
10. 10.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
11. 11.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
12. 12.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) dry hair (d) vinegar
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
14. 14.⚖️ 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
15. 15.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) on a rooftop (d) in an open field
16. 16.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) tiny paper bits (d) vinegar
17. 17.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) a magnet (d) a balloon
18. 18.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
19. 19.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a battery cell (c) dry hair (d) a plastic comb
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb 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) tiny paper bits (b) dry hair (c) a plastic comb (d) a battery cell
22. 22.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it falls straight down (d) it bursts at once
23. 23.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
24. 24.True or false: yeast is not needed for the static comb. (a) True (b) False
25. 25.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it becomes a magnet (d) it works better
26. 26.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) dry hair
27. 27.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) a plastic comb (d) dry hair
29. 29.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
30. 30.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) puffed rice (d) a steel spoon
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 change it (b) we keep it the same (c) we measure it
32. 32.⚖️ 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
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) the same comb (c) number of rubs (d) paper bits picked up
35. 35.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) turmeric powder (d) dry hair
36. 36.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) dry hair (d) tiny paper bits
37. 37.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a pebble (d) a thin water stream
38. 38.True or false: a balloon is needed for the static comb. (a) False (b) True
39. 39.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same

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