Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 830 · 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.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) dry hair (d) vinegar
2. 2.⚖️ 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) the same hair
3. 3.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) a battery cell
5. 5.🔍 Which is the odd one out? (a) a thin water stream (b) a brick (c) puffed rice (d) thermocol bits
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) paper bits on a comb (d) a rubbed plastic comb
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) vinegar
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
9. 9.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
10. 10.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) puffed rice
11. 11.🧺 Which of these is not needed for the static comb? (a) a balloon (b) turmeric powder (c) tiny paper bits (d) dry hair
12. 12.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) a mirror (d) tiny paper bits
13. 13.⚖️ 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
14. 14.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) on a rooftop (d) in an open field
15. 15.⚡ Which of these does not move to a charged comb? (a) a brick (b) dry hair (c) thermocol bits (d) puffed rice
16. 16.⚖️ 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
17. 17.True or false: dry hair jumps to a charged comb. (a) False (b) True
18. 18.⚖️ 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
19. 19.True or false: a heavy book does not move to a charged comb. (a) True (b) False
20. 20.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a balloon (c) tiny paper bits (d) dry hair
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
23. 23.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) thermocol bits (c) a pebble (d) a brick
24. 24.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
25. 25.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) thermocol bits (d) a steel spoon
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
27. 27.True or false: vinegar is needed for the static comb. (a) True (b) False
28. 28.True or false: a mirror is needed for the static comb. (a) True (b) False
29. 29.⚖️ 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 paper bit size (c) number of rubs (d) the same comb
30. 30.True or false: vinegar is not needed for the static comb. (a) False (b) True
31. 31.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
32. 32.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
33. 33.⚖️ 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
34. 34.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it turns into water (d) it bursts at once
35. 35.⚖️ 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 measure it (c) we change it
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) yeast (d) a plastic comb
37. 37.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
38. 38.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
39. 39.⚖️ 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
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) a balloon (d) tiny paper bits

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