Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 88 · 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 jumps to a charged comb? (a) a thin water stream (b) a pebble (c) a heavy book (d) a brick
2. 2.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
3. 3.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) yeast (d) a balloon
4. 4.True or false: puffed rice does not move to a charged comb. (a) False (b) True
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) False (b) True
6. 6.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) thermocol bits (d) a heavy book
7. 7.🧺 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
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) turmeric powder
9. 9.⚖️ 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) number of rubs (c) the same comb
10. 10.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) lightning (d) dew
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same hair (c) the paper bit size (d) the same comb
12. 12.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) yeast (c) a battery cell (d) turmeric powder
13. 13.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
14. 14.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) a balloon (d) a battery cell
15. 15.⚖️ 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
16. 16.🔮 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
17. 17.True or false: tiny paper bits is needed for the static 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 “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
19. 19.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) turmeric powder (c) tiny paper bits (d) a balloon
20. 20.⚖️ 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
21. 21.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a mirror (d) tiny paper bits
24. 24.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
26. 26.⚖️ 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
27. 27.True or false: a brick does not move to a charged comb. (a) True (b) False
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) vinegar
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) a magnet
30. 30.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) nothing at all (d) the water stops
31. 31.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
32. 32.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
33. 33.🔍 Which is the odd one out? (a) a pebble (b) a thin water stream (c) dry hair (d) puffed rice
34. 34.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
35. 35.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
36. 36.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) tiny paper bits (d) a steel spoon
37. 37.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a plastic comb (d) a battery cell
38. 38.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) dry hair (d) a battery cell
39. 39.⚖️ 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
40. 40.🔍 Which is the odd one out? (a) puffed rice (b) a steel spoon (c) a heavy book (d) a brick

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