Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 450 · 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 the one thing we change? (a) the same hair (b) the paper bit size (c) number of rubs (d) the same comb
2. 2.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a mirror (c) a balloon (d) tiny paper bits
4. 4.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
6. 6.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a balloon (d) vinegar
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.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it sticks for a while (d) it bursts at once
10. 10.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a pebble (d) puffed rice
11. 11.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a heavy book (c) a brick (d) a steel spoon
12. 12.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) magnetism (d) sunlight
13. 13.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) puffed rice (d) a steel spoon
14. 14.🧺 Which of these is not needed for the static comb? (a) dry hair (b) vinegar (c) a plastic comb (d) a balloon
15. 15.True or false: puffed rice does not move to a charged comb. (a) False (b) True
16. 16.⚖️ 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 change it (c) we keep it the same
17. 17.True or false: dry hair is needed for the static comb. (a) True (b) False
18. 18.True or false: a brick jumps to a charged comb. (a) False (b) True
19. 19.⚖️ 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
20. 20.⚖️ 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 keep it the same (c) we measure it
21. 21.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a battery cell (c) tiny paper bits (d) a plastic comb
22. 22.⚖️ 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
23. 23.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
24. 24.True or false: a plastic comb is needed for the static comb. (a) False (b) True
25. 25.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
26. 26.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
27. 27.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) a plastic comb (d) a balloon
29. 29.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
30. 30.True or false: a magnet is needed for the static comb. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) a brick (d) a thin water stream
32. 32.True or false: dry hair does not move to a charged comb. (a) True (b) False
33. 33.True or false: a heavy book jumps to a charged comb. (a) False (b) True
34. 34.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) dew (d) a rainbow
35. 35.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a pebble (d) a thin water stream
36. 36.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) tiny paper bits (c) a balloon (d) a plastic comb
37. 37.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a pebble (d) a thin water stream
38. 38.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) a balloon (d) dry hair
40. 40.True or false: turmeric powder is not needed for the static comb. (a) True (b) False

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