Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 945 · 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: vinegar is not needed for the static comb. (a) True (b) False
2. 2.True or false: a pebble does not move to a charged comb. (a) True (b) False
3. 3.True or false: dry hair is not needed for the static comb. (a) True (b) False
4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) paper bits on a comb (d) plug points at home
5. 5.True or false: a mirror is not needed for the static comb. (a) True (b) False
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a magnet (c) a plastic comb (d) a balloon
7. 7.⚖️ 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
8. 8.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) turmeric powder (d) a plastic comb
9. 9.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
10. 10.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) the bits jump to it (d) they turn wet
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the paper bit size (c) paper bits picked up (d) the same hair
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 measure it (b) we keep it the same (c) we change it
13. 13.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
14. 14.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) a brick (d) tiny paper bits
15. 15.True or false: a mirror is needed for the static comb. (a) False (b) True
16. 16.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
17. 17.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
18. 18.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
19. 19.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning
20. 20.⚖️ 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) True (b) False
21. 21.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
22. 22.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) a steel spoon (d) a brick
23. 23.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it turns into water (d) it bursts at once
24. 24.🔮 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
25. 25.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) a plastic comb (d) turmeric powder
26. 26.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a battery cell (c) a balloon (d) dry hair
27. 27.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) a thin water stream
28. 28.True or false: dry hair is needed for the static comb. (a) True (b) False
29. 29.True or false: a magnet is not needed for the static comb. (a) True (b) False
30. 30.True or false: a plastic comb is needed for the static comb. (a) True (b) False
31. 31.🛟 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
32. 32.True or false: puffed rice jumps to a charged comb. (a) True (b) False
33. 33.True or false: a heavy book does not move to a charged comb. (a) False (b) True
34. 34.True or false: a pebble jumps to a charged comb. (a) True (b) False
35. 35.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
36. 36.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a heavy book (d) a thin water stream
37. 37.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
38. 38.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) yeast (d) a plastic comb
39. 39.⚖️ 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
40. 40.True or false: a battery cell is needed for the static comb. (a) False (b) True

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