Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 159 · 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.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
2. 2.True or false: a battery cell is not needed for the static comb. (a) False (b) True
3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) a rubbed balloon (d) plug points at home
4. 4.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a plastic comb (d) turmeric powder
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a battery cell (d) dry hair
6. 6.⚖️ 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) number of rubs (c) distance to the paper (d) the paper bit size
7. 7.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) dry days are noisy (d) damp air leaks charge
8. 8.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) a rainbow (d) dew
9. 9.⚖️ 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 measure it (c) we change it
10. 10.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) number of rubs (c) the same hair (d) the same 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 measure it (c) we keep it the same
13. 13.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
14. 14.⚖️ 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
15. 15.🧺 Which of these is needed for the static comb? (a) vinegar (b) tiny paper bits (c) yeast (d) a mirror
16. 16.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) yeast (c) dry hair (d) a plastic comb
17. 17.⚖️ 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 change it (c) we measure it
18. 18.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) a steel spoon (d) dry hair
19. 19.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) a balloon (c) tiny paper bits (d) a plastic comb
20. 20.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) under a tall tree (d) on a rooftop
21. 21.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) nothing happens (d) they turn wet
22. 22.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) dry hair (c) tiny paper bits (d) a plastic comb
24. 24.True or false: a magnet is needed for the static comb. (a) False (b) True
25. 25.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) a mirror (d) a magnet
26. 26.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
27. 27.True or false: dry hair jumps to a charged comb. (a) True (b) False
28. 28.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
29. 29.⚡ A rubbed comb is held near puffed rice. 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? True or false: number of rubs is the one thing we change. (a) False (b) True
31. 31.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) tiny paper bits (d) a steel spoon
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
33. 33.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
34. 34.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) yeast (c) a plastic comb (d) dry hair
36. 36.True or false: a mirror is needed for the static comb. (a) True (b) False
37. 37.⚖️ 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
38. 38.🧺 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) a mirror
39. 39.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
40. 40.True or false: a heavy book jumps to a charged comb. (a) False (b) True

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