Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 418 · 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.⚖️ 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 comb (c) paper bits picked up
2. 2.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) distance to the paper (c) the same comb (d) the same hair
4. 4.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a thin water stream (d) a heavy book
5. 5.🧺 Which of these is needed for the static comb? (a) yeast (b) tiny paper bits (c) a battery cell (d) a mirror
6. 6.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
7. 7.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a balloon (c) dry hair (d) tiny paper bits
8. 8.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
9. 9.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
10. 10.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
11. 11.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a mirror (c) tiny paper bits (d) a plastic comb
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
13. 13.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it bursts at once (d) it falls straight down
14. 14.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a brick (d) dry hair
15. 15.⚖️ 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
16. 16.True or false: a plastic comb is needed for the static comb. (a) True (b) False
17. 17.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
18. 18.🔍 Which is the odd one out? (a) a pebble (b) a thin water stream (c) a heavy book (d) a steel spoon
19. 19.⚖️ 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 same hair (c) number of rubs
20. 20.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
21. 21.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) a rubbed plastic comb (d) paper bits on a comb
22. 22.⚖️ 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
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we measure it (c) we keep it the same
24. 24.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) a rainbow (c) dew (d) the wind
25. 25.⚖️ 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
26. 26.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
27. 27.True or false: vinegar is needed for the static comb. (a) True (b) False
28. 28.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a heavy book (d) puffed rice
30. 30.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a steel spoon (c) puffed rice (d) thermocol bits
31. 31.⚖️ 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) paper bits picked up (d) number of rubs
32. 32.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
33. 33.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) vinegar (c) yeast (d) a balloon
34. 34.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) yeast
35. 35.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
36. 36.⚖️ 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
37. 37.⚡ A rubbed comb is held near a brick. 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? What do we do with “the paper bit size”? (a) we change it (b) we keep it the same (c) we measure it
39. 39.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
40. 40.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky

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