Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 198 · 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.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
2. 2.⚖️ 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) distance to the paper (c) number of rubs
3. 3.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a battery cell
5. 5.⚖️ 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 change it (c) we keep it the same
6. 6.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) the bits jump to it (d) nothing happens
7. 7.🔮 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
8. 8.🧺 Which of these is needed for the static comb? (a) a balloon (b) a battery cell (c) a mirror (d) vinegar
9. 9.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a battery cell (c) a plastic comb (d) a balloon
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
11. 11.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a thin water stream (d) thermocol bits
12. 12.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
13. 13.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it sticks for a while (d) it turns into water
14. 14.⚖️ 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 change it (c) we keep it the same
15. 15.⚖️ 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 keep it the same (c) we measure it
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) a magnet
17. 17.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a thin water stream (d) a steel spoon
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
19. 19.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) vinegar (c) turmeric powder (d) yeast
20. 20.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it becomes a magnet (d) it lights up
21. 21.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) vinegar (d) a balloon
22. 22.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) yeast (c) dry hair (d) tiny paper bits
23. 23.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
24. 24.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
25. 25.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
26. 26.True or false: a pebble jumps to a charged comb. (a) False (b) True
27. 27.⚖️ 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) the same hair (c) paper bits picked up (d) number of rubs
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) tiny paper bits (d) a balloon
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
30. 30.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) lightning (d) dew
31. 31.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
32. 32.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
33. 33.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
34. 34.⚖️ 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
35. 35.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
36. 36.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) dry hair (d) a magnet
37. 37.True or false: a heavy book jumps to a charged comb. (a) True (b) False
38. 38.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) dry hair (d) turmeric powder
39. 39.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) distance to the paper (c) the same hair (d) number of rubs

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