Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 882 · 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 battery cell (b) turmeric powder (c) a plastic comb (d) yeast
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the same hair (c) number of rubs (d) distance to the paper
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) dry hair (d) vinegar
4. 4.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) a balloon
5. 5.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) the same comb (c) number of rubs
7. 7.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) sunlight (c) gravity (d) magnetism
8. 8.⚖️ 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) number of rubs (c) paper bits picked up (d) distance to the paper
9. 9.True or false: a battery cell is not needed for the static comb. (a) True (b) False
10. 10.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a battery cell (c) tiny paper bits (d) a plastic comb
12. 12.⚖️ 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
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs 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 comb is kept the same. (a) True (b) False
15. 15.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water freezes (d) the water stops
16. 16.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
17. 17.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) tiny paper bits (c) a thin water stream (d) thermocol bits
18. 18.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) lightning (d) dew
19. 19.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a steel spoon (d) dry hair
20. 20.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
21. 21.🧺 Which of these is needed for the static comb? (a) a magnet (b) tiny paper bits (c) vinegar (d) a battery cell
22. 22.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) thermocol bits (d) a heavy book
23. 23.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
24. 24.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it falls straight down (d) it turns into water
25. 25.🧺 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) a balloon
26. 26.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
27. 27.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) a brick (d) tiny paper bits
28. 28.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
29. 29.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
30. 30.True or false: vinegar is not needed for the static comb. (a) True (b) False
31. 31.True or false: dry hair does not move to a charged comb. (a) False (b) True
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) a magnet
33. 33.True or false: yeast is not needed for the static comb. (a) True (b) False
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
35. 35.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a mirror (c) a plastic comb (d) dry hair
36. 36.⚖️ 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
37. 37.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) yeast (d) a balloon
38. 38.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
39. 39.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) dry hair (d) a heavy book
40. 40.True or false: a brick jumps to a charged comb. (a) False (b) True

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