Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 807 · 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: dry hair jumps to a charged comb. (a) False (b) True
2. 2.⚖️ 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 comb
3. 3.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
4. 4.True or false: a battery cell is needed for the static comb. (a) True (b) False
5. 5.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
6. 6.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
7. 7.⚖️ 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
8. 8.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
9. 9.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
10. 10.True or false: a plastic comb is needed for the static comb. (a) False (b) True
11. 11.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
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 of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) vinegar (d) turmeric powder
14. 14.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) a heavy book (d) a pebble
15. 15.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
16. 16.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
17. 17.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) the stream bends (d) nothing at all
18. 18.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) a heavy book (d) puffed rice
19. 19.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a thin water stream (d) a brick
20. 20.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) a rainbow (c) the wind (d) dew
21. 21.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
22. 22.🧺 Which of these is not needed for the static comb? (a) a mirror (b) tiny paper bits (c) dry hair (d) a balloon
23. 23.⚖️ 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
24. 24.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
25. 25.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
26. 26.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a battery cell (c) a plastic comb (d) dry hair
27. 27.🧺 Which of these is not needed for the static comb? (a) a magnet (b) tiny paper bits (c) a plastic comb (d) a balloon
28. 28.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a battery cell (d) dry hair
29. 29.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn blue (d) they turn wet
30. 30.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it becomes a magnet (d) it lights up
31. 31.True or false: a heavy book jumps to a charged comb. (a) False (b) True
32. 32.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
33. 33.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
34. 34.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) under a tall tree (d) on a rooftop
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) dry hair
36. 36.⚖️ 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 change it (c) we measure it
37. 37.⚖️ 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) paper bits picked up (c) number of rubs (d) the same comb
38. 38.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) number of rubs (c) the same comb (d) the paper bit size
40. 40.True or false: a thin water stream jumps to a charged comb. (a) True (b) False

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