Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 274 · 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 brick jumps to a charged comb. (a) True (b) False
2. 2.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed balloon (d) a rubbed plastic comb
3. 3.True or false: puffed rice does not move to a charged comb. (a) False (b) True
4. 4.⚖️ 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
5. 5.True or false: a mirror is not needed for the static comb. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) dry hair (d) tiny paper bits
7. 7.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
8. 8.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it becomes a magnet (d) it hardly works
9. 9.⚖️ 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
10. 10.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it turns into water (d) it sticks for a while
11. 11.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) vinegar (d) a balloon
13. 13.🧺 Which of these is needed for the static comb? (a) a battery cell (b) tiny paper bits (c) yeast (d) vinegar
14. 14.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
15. 15.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
16. 16.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
17. 17.⚖️ 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) paper bits picked up (c) the same comb (d) the same hair
18. 18.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) dry hair (d) a steel spoon
19. 19.🧺 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) yeast
20. 20.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
21. 21.True or false: yeast is needed for the static comb. (a) False (b) True
22. 22.⚖️ 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 change it (c) we measure it
23. 23.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) tiny paper bits (d) a steel spoon
24. 24.⚖️ 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
25. 25.🧺 Which of these is not needed for the static comb? (a) a balloon (b) turmeric powder (c) dry hair (d) a plastic comb
26. 26.True or false: turmeric powder is needed for the static comb. (a) True (b) False
27. 27.⚖️ 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
28. 28.True or false: a battery cell is needed for the static comb. (a) True (b) False
29. 29.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
30. 30.⚖️ 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
31. 31.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) vinegar (d) dry hair
32. 32.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) dry hair (c) a pebble (d) a steel spoon
33. 33.⚖️ 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
34. 34.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
35. 35.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) a balloon (d) a magnet
36. 36.⚖️ 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
37. 37.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
39. 39.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) gravity (d) sunlight
40. 40.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb

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