Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 800 · 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? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
2. 2.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a thin water stream (d) a heavy book
3. 3.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
4. 4.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
5. 5.True or false: turmeric powder is needed for the static comb. (a) False (b) True
6. 6.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) nothing at all (d) the stream bends
7. 7.⚖️ 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 measure it (c) we change it
8. 8.⚖️ 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) paper bits picked up (c) the paper bit size
9. 9.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
11. 11.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
12. 12.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) vinegar
13. 13.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) dew (d) a rainbow
14. 14.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
15. 15.True or false: a battery cell is not needed for the static comb. (a) False (b) True
16. 16.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a pebble (c) tiny paper bits (d) dry hair
17. 17.🛟 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) a rubbed balloon (d) plug points at home
18. 18.True or false: a balloon is not needed for the static comb. (a) True (b) False
19. 19.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
20. 20.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
21. 21.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) yeast (d) a balloon
22. 22.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a mirror (c) a plastic comb (d) dry hair
23. 23.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) a battery cell (d) a balloon
24. 24.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it has static charge (d) it is hot
25. 25.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it sticks for a while (d) it falls straight down
26. 26.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
27. 27.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) sunlight (d) static electricity
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) the same comb (c) paper bits picked up (d) number of rubs
29. 29.⚖️ 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) True (b) False
30. 30.⚖️ 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
31. 31.True or false: a battery cell is needed for the static comb. (a) True (b) False
32. 32.⚖️ 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 keep it the same (c) we change it
33. 33.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) puffed rice (d) a steel spoon
34. 34.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) dry hair (d) thermocol bits
35. 35.⚖️ 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
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) False (b) True
37. 37.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) a plastic comb (d) yeast
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a balloon (c) dry hair (d) a plastic comb
39. 39.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
40. 40.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a pebble (d) thermocol bits

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