Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 215 · 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 heavy book (b) a thin water stream (c) dry hair (d) tiny paper bits
2. 2.True or false: yeast is not needed for the static comb. (a) False (b) True
3. 3.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
4. 4.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it bursts at once (d) it turns into water
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the paper bit size (c) paper bits picked up (d) the same hair
6. 6.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a steel spoon (d) puffed rice
7. 7.🛟 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
8. 8.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) lightning (d) the wind
9. 9.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) dry hair (d) a battery cell
10. 10.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
11. 11.True or false: a mirror is not needed for the static comb. (a) True (b) False
12. 12.⚖️ 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
13. 13.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
14. 14.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
15. 15.⚡ Which of these jumps to a charged comb? (a) a pebble (b) tiny paper bits (c) a heavy book (d) a brick
16. 16.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) number of rubs (c) the same hair (d) distance to the paper
18. 18.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) they turn blue (d) the bits jump to it
19. 19.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
20. 20.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) a balloon (d) a battery cell
21. 21.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
22. 22.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
23. 23.True or false: dry hair is needed for the static comb. (a) True (b) False
24. 24.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
25. 25.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
26. 26.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it lights up (d) it becomes a magnet
27. 27.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it has static charge (d) it is a magnet
28. 28.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) a balloon (c) a plastic comb (d) dry hair
29. 29.True or false: a magnet is needed for the static comb. (a) True (b) False
30. 30.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) dry hair (d) turmeric powder
31. 31.🔮 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
32. 32.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a brick (d) a thin water stream
33. 33.⚖️ 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) True (b) False
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) vinegar (d) a plastic comb
35. 35.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
36. 36.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
37. 37.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
39. 39.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
40. 40.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a steel spoon (d) a thin water stream

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