Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 367 · 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) nothing at all (b) the stream bends (c) the water stops (d) the water freezes
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) a battery cell
3. 3.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
4. 4.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) a balloon (d) a plastic comb
6. 6.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
7. 7.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it
8. 8.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) a magnet (d) yeast
9. 9.True or false: dry hair jumps to a charged comb. (a) True (b) False
10. 10.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
11. 11.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
12. 12.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it bursts at once (d) it falls straight down
13. 13.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) damp air leaks charge (c) water adds charge (d) dry days are noisy
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) a balloon (d) dry hair
16. 16.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
18. 18.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
19. 19.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a pebble (c) a heavy book (d) a steel spoon
20. 20.⚖️ 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 measure it (c) we change it
21. 21.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
22. 22.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) a magnet (d) dry hair
23. 23.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it lights up (d) it works better
24. 24.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) tiny paper bits (d) a thin water stream
25. 25.⚡ Which of these does not move to a charged comb? (a) a pebble (b) thermocol bits (c) dry hair (d) a thin water stream
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) vinegar
27. 27.⚖️ 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) True (b) False
28. 28.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
29. 29.🧺 Which of these is not needed for the static comb? (a) a mirror (b) tiny paper bits (c) dry hair (d) a plastic comb
30. 30.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a heavy book (d) thermocol bits
31. 31.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) a mirror (d) tiny paper bits
32. 32.True or false: turmeric powder is needed for the static comb. (a) False (b) True
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
35. 35.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
36. 36.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
37. 37.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) tiny paper bits
38. 38.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) dry hair (d) a steel spoon
39. 39.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) puffed rice (d) a brick
40. 40.⚖️ 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

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