Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 908 · 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.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
2. 2.True or false: dry hair is not needed for the static comb. (a) True (b) False
3. 3.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
4. 4.🧺 Which of these is not needed for the static comb? (a) yeast (b) a plastic comb (c) tiny paper bits (d) dry hair
5. 5.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) puffed rice (d) dry hair
6. 6.True or false: a battery cell is needed for the static comb. (a) True (b) False
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) distance to the paper (c) number of rubs (d) paper bits picked up
8. 8.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
9. 9.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
10. 10.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
11. 11.True or false: a pebble does not move to a charged comb. (a) False (b) True
12. 12.⚖️ 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 paper bit size
13. 13.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
14. 14.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
15. 15.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) dry hair (d) vinegar
16. 16.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) turmeric powder (d) yeast
17. 17.True or false: a magnet is not needed for the static comb. (a) False (b) True
18. 18.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a balloon (c) a plastic comb (d) dry hair
20. 20.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
21. 21.⚖️ 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
22. 22.⚖️ 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 keep it the same (c) we change it
23. 23.⚖️ 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
24. 24.⚖️ 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
25. 25.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
26. 26.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
28. 28.⚖️ 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
29. 29.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
30. 30.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) nothing at all (d) the water stops
31. 31.⚖️ 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
32. 32.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) puffed rice (d) thermocol bits
33. 33.True or false: a mirror is needed for the static comb. (a) True (b) False
34. 34.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) tiny paper bits (d) a brick
35. 35.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
36. 36.⚖️ 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) number of rubs (c) paper bits picked up
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) a mirror
38. 38.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
39. 39.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) a balloon (d) a plastic comb

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