Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 776 · 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 is the odd one out? (a) thermocol bits (b) a thin water stream (c) puffed rice (d) a steel spoon
2. 2.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
3. 3.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
4. 4.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a balloon (d) a magnet
5. 5.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
6. 6.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) yeast (c) a balloon (d) tiny paper bits
7. 7.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
8. 8.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a magnet (c) tiny paper bits (d) a balloon
9. 9.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes
10. 10.⚖️ 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
11. 11.⚖️ 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) distance to the paper (c) paper bits picked up
12. 12.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we keep it the same (c) we measure it
14. 14.True or false: a balloon is not needed for the static comb. (a) False (b) True
15. 15.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
16. 16.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
17. 17.True or false: a pebble jumps to a charged comb. (a) True (b) False
18. 18.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
19. 19.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
20. 20.True or false: a balloon is needed for the static comb. (a) True (b) False
21. 21.True or false: a pebble does not move to a charged comb. (a) False (b) True
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) True (b) False
23. 23.⚡ Which of these does not move to a charged comb? (a) a brick (b) tiny paper bits (c) thermocol bits (d) puffed rice
24. 24.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) thermocol bits (c) tiny paper bits (d) a thin water stream
25. 25.True or false: a magnet is needed for the static comb. (a) True (b) False
26. 26.⚖️ 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 change it (c) we measure it
27. 27.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) water adds charge (d) damp air leaks charge
28. 28.True or false: a magnet is not needed for the static comb. (a) False (b) True
29. 29.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
30. 30.⚖️ 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) distance to the paper (c) the same comb (d) paper bits picked up
31. 31.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
32. 32.⚡ Which of these jumps to a charged comb? (a) a brick (b) dry hair (c) a heavy book (d) a steel spoon
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) tiny paper bits (d) a balloon
35. 35.🛟 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
36. 36.True or false: vinegar is not needed for the static comb. (a) True (b) False
37. 37.🧺 Which of these is needed for the static comb? (a) vinegar (b) a battery cell (c) tiny paper bits (d) a mirror
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) tiny paper bits (c) a plastic comb (d) dry hair
39. 39.True or false: a brick does not move to a charged comb. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) a brick (d) a thin water stream

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