Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 152 · 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.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
2. 2.🧺 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
3. 3.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) a thin water stream (c) puffed rice (d) dry hair
4. 4.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
5. 5.True or false: yeast is needed for the static comb. (a) False (b) True
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
7. 7.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
8. 8.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
9. 9.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) a mirror (d) a plastic comb
10. 10.⚖️ 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
11. 11.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) turmeric powder
12. 12.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the stream bends (d) the water stops
13. 13.True or false: dry hair is not needed for the static comb. (a) True (b) False
14. 14.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
15. 15.🔮 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 turns into water (d) it bursts at once
16. 16.⚡ 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) they turn blue (d) nothing happens
17. 17.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
18. 18.True or false: puffed rice does not move to a charged comb. (a) False (b) True
19. 19.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is hot (d) it is sticky
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) yeast (c) a plastic comb (d) a balloon
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
22. 22.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
23. 23.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
24. 24.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) thermocol bits (d) a steel spoon
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
26. 26.⚖️ 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
27. 27.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
28. 28.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) a rainbow (d) the wind
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) number of rubs (c) paper bits picked up
30. 30.⚡ Which of these does not move to a charged comb? (a) a pebble (b) a thin water stream (c) tiny paper bits (d) dry hair
31. 31.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) turmeric powder (d) tiny paper bits
32. 32.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
33. 33.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
34. 34.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) in an open field (d) on a rooftop
35. 35.⚖️ 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 keep it the same (c) we measure it
36. 36.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) a steel spoon (d) tiny paper bits
37. 37.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) dry hair (d) a heavy book
38. 38.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
39. 39.True or false: a heavy book does not move to a charged comb. (a) True (b) False
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it

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