Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 436 · 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.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) puffed rice (d) a thin water stream
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) turmeric powder
3. 3.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it turns into water (d) it sticks for a while
4. 4.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) distance to the paper (c) paper bits picked up (d) number of rubs
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
7. 7.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a pebble (d) puffed rice
8. 8.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
9. 9.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
10. 10.True or false: a magnet is needed for the static comb. (a) True (b) False
11. 11.⚖️ 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
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a magnet (d) tiny paper bits
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) tiny paper bits (d) a plastic comb
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
15. 15.🧺 Which of these is needed for the static comb? (a) yeast (b) a balloon (c) a battery cell (d) a magnet
16. 16.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) turmeric powder
17. 17.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) lightning (d) the wind
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) a battery cell
19. 19.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
20. 20.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
21. 21.⚖️ 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
22. 22.🧺 Which of these is not needed for the static comb? (a) yeast (b) tiny paper bits (c) a plastic comb (d) dry hair
23. 23.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
24. 24.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
25. 25.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) a heavy book (d) a brick
26. 26.⚖️ 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) False (b) True
27. 27.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) a heavy book (d) puffed rice
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
29. 29.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
30. 30.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
31. 31.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
32. 32.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) dry hair (d) a heavy book
33. 33.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
34. 34.⚖️ 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
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
36. 36.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) nothing happens (d) they turn blue
37. 37.⚖️ 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
38. 38.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a pebble (c) a heavy book (d) a steel spoon
39. 39.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes
40. 40.⚖️ 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) the same hair (c) paper bits picked up

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