Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 775 · 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) the water freezes (c) nothing at all (d) the stream bends
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) dry hair (d) a balloon
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) dry hair (c) a plastic comb (d) a balloon
4. 4.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) puffed rice (d) a brick
5. 5.True or false: a battery cell is needed for the static comb. (a) False (b) True
6. 6.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
8. 8.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) under a tall tree (d) indoors
9. 9.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) tiny paper bits (d) yeast
10. 10.True or false: dry hair is needed for the static comb. (a) False (b) True
11. 11.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) vinegar (c) a balloon (d) dry hair
12. 12.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) dry hair (d) a heavy book
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) vinegar (c) a balloon (d) a plastic comb
14. 14.True or false: yeast is not needed for the static comb. (a) False (b) True
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we keep it the same (c) we change it
16. 16.🧺 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) dry hair
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) number of rubs (c) paper bits picked up
18. 18.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
19. 19.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
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 change it (c) we measure it
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) dry hair (d) tiny paper bits
23. 23.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it sticks for a while (d) it falls straight down
24. 24.🧺 Which of these is needed for the static comb? (a) vinegar (b) a battery cell (c) a plastic comb (d) a magnet
25. 25.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) thermocol bits (d) puffed rice
26. 26.⚖️ 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
27. 27.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) a plastic comb (d) dry hair
28. 28.⚖️ 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) paper bits picked up (d) number of rubs
29. 29.True or false: a magnet is not needed for the static comb. (a) False (b) True
30. 30.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
31. 31.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
32. 32.⚖️ 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
33. 33.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) tiny paper bits (c) puffed rice (d) thermocol bits
34. 34.⚖️ 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
35. 35.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a brick (d) a steel spoon
36. 36.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
37. 37.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a mirror (c) a plastic comb (d) tiny paper bits
38. 38.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) a pebble (d) a heavy book
39. 39.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
40. 40.True or false: thermocol bits jumps to a charged comb. (a) True (b) False

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