Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 100 · 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) tiny paper bits (b) thermocol bits (c) puffed rice (d) a brick
2. 2.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
3. 3.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
4. 4.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
5. 5.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a thin water stream (d) puffed rice
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed balloon (d) a rubbed plastic comb
7. 7.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) thermocol bits (d) a heavy book
8. 8.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree
9. 9.⚖️ 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) paper bits picked up (c) the same comb (d) number of rubs
10. 10.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a balloon (d) vinegar
11. 11.True or false: vinegar is not needed for the static comb. (a) True (b) False
12. 12.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) the water freezes (d) nothing at all
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) False (b) True
14. 14.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
15. 15.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) a steel spoon (d) dry hair
16. 16.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) puffed rice (c) a brick (d) a heavy book
17. 17.🧺 Which of these is not needed for the static comb? (a) a balloon (b) turmeric powder (c) dry hair (d) a plastic comb
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) yeast (d) a plastic comb
19. 19.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) puffed rice (d) a steel spoon
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) the paper bit size (c) number of rubs
21. 21.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it sticks for a while (d) it bursts at once
22. 22.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it lights up (d) it becomes a magnet
23. 23.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
24. 24.⚖️ 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
25. 25.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a battery cell (c) yeast (d) a mirror
26. 26.True or false: yeast is needed for the static comb. (a) False (b) True
27. 27.True or false: a mirror is not needed for the static comb. (a) False (b) True
28. 28.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a steel spoon (c) a thin water stream (d) dry hair
29. 29.True or false: a brick jumps to a charged comb. (a) False (b) True
30. 30.🧺 Which of these is needed for the static comb? (a) a magnet (b) dry hair (c) a mirror (d) a battery cell
31. 31.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
32. 32.True or false: a heavy book jumps to a charged comb. (a) True (b) False
33. 33.🧺 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
34. 34.True or false: a pebble jumps to a charged comb. (a) True (b) False
35. 35.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) a mirror (d) dry hair
36. 36.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
37. 37.⚖️ 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
38. 38.⚖️ 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
39. 39.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) thermocol bits (d) a pebble
40. 40.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed

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