Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 431 · 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) dry hair (b) a brick (c) a heavy book (d) a steel spoon
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same hair (c) the same comb (d) paper bits picked up
3. 3.True or false: puffed rice does not move to a charged comb. (a) False (b) True
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) tiny paper bits (d) a plastic comb
5. 5.⚖️ 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) distance to the paper
6. 6.⚖️ 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
7. 7.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
9. 9.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
10. 10.⚖️ 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
11. 11.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a steel spoon (c) tiny paper bits (d) puffed rice
12. 12.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
13. 13.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
15. 15.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) puffed rice (d) a heavy book
16. 16.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
17. 17.True or false: yeast is not needed for the static comb. (a) True (b) False
18. 18.⚖️ 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) number of rubs (c) the paper bit size
19. 19.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
20. 20.⚖️ 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
21. 21.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
22. 22.⚖️ 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) number of rubs (c) the same hair (d) the same comb
23. 23.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) a thin water stream (d) a pebble
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 change it (b) we measure it (c) we keep it the same
25. 25.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) a magnet (d) dry hair
26. 26.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) a steel spoon (d) a pebble
29. 29.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
30. 30.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
31. 31.🛟 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
32. 32.True or false: dry hair does not move to a charged comb. (a) True (b) False
33. 33.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
34. 34.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) sunlight (d) magnetism
35. 35.⚖️ 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
36. 36.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a steel spoon (d) a thin water stream
37. 37.True or false: a heavy book does not move to a charged comb. (a) False (b) True
38. 38.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
39. 39.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
40. 40.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) yeast

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