Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 333 · 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.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
3. 3.True or false: a pebble does not move to a charged comb. (a) True (b) False
4. 4.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) a plastic comb (c) tiny paper bits (d) dry hair
5. 5.🔍 Which is the odd one out? (a) a pebble (b) a thin water stream (c) a steel spoon (d) a heavy book
6. 6.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) turmeric powder (d) a balloon
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
8. 8.⚖️ 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) True (b) False
9. 9.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) turmeric powder (d) a balloon
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a magnet (d) a plastic comb
12. 12.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
13. 13.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) tiny paper bits (d) a pebble
14. 14.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
15. 15.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) plug points at home (d) a rubbed plastic comb
16. 16.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) turmeric powder (d) a plastic comb
17. 17.⚖️ 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
18. 18.🧺 Which of these is needed for the static comb? (a) vinegar (b) tiny paper bits (c) yeast (d) a mirror
19. 19.🔮 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 turns into water (d) it sticks for a while
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the paper bit size (c) distance to the paper (d) number of rubs
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) yeast (d) a plastic comb
23. 23.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) dew (d) a rainbow
24. 24.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a steel spoon (d) a pebble
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 change it (b) we keep it the same (c) we measure it
26. 26.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a pebble (c) a heavy book (d) a brick
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 hair (b) number of rubs (c) the same comb (d) paper bits picked up
28. 28.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) the water freezes (d) nothing at all
29. 29.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a pebble (d) puffed rice
30. 30.True or false: a brick jumps to a charged comb. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) thermocol bits (d) a steel spoon
32. 32.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) tiny paper bits (d) dry hair
33. 33.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
34. 34.⚖️ 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
35. 35.True or false: a heavy book jumps to a charged comb. (a) False (b) True
36. 36.True or false: a magnet is not needed for the static comb. (a) True (b) False
37. 37.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a heavy book (d) dry hair
38. 38.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a mirror (d) a balloon
39. 39.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) magnetism (d) static electricity
40. 40.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it

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