Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 134 · 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.⚖️ 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) the same comb (c) the same hair (d) number of rubs
2. 2.🧺 Which of these is needed for the static comb? (a) a mirror (b) a plastic comb (c) a magnet (d) vinegar
3. 3.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the stream bends (d) the water freezes
4. 4.🔮 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 falls straight down (d) it bursts at once
5. 5.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
6. 6.⚖️ 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) True (b) False
7. 7.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) a heavy book (d) puffed rice
8. 8.True or false: puffed rice does not move to a charged comb. (a) True (b) False
9. 9.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a battery cell (d) dry hair
11. 11.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a mirror (c) tiny paper bits (d) a balloon
13. 13.True or false: a magnet is not needed for the static comb. (a) False (b) True
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
15. 15.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
16. 16.⚖️ 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 measure it (c) we keep it the same
17. 17.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) tiny paper bits (d) a steel spoon
18. 18.🧺 Which of these is needed for the static comb? (a) a mirror (b) a balloon (c) yeast (d) turmeric powder
19. 19.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
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 change it (b) we measure it (c) we keep it the same
21. 21.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
22. 22.🧺 Which of these is needed for the static comb? (a) dry hair (b) vinegar (c) a magnet (d) a battery cell
23. 23.True or false: turmeric powder is needed for the static comb. (a) True (b) False
24. 24.True or false: a pebble does not move to a charged comb. (a) True (b) False
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
26. 26.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a mirror (d) a balloon
27. 27.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
28. 28.⚡ Which of these does not move to a charged comb? (a) a pebble (b) tiny paper bits (c) puffed rice (d) a thin water stream
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) distance to the paper (c) the same hair (d) paper bits picked up
30. 30.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
31. 31.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
32. 32.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
33. 33.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
34. 34.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
35. 35.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
36. 36.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
37. 37.⚖️ 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
38. 38.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) a plastic comb (d) tiny paper bits
40. 40.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) yeast (d) tiny paper bits

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