Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 586 · 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 what we measure? (a) number of rubs (b) the same comb (c) distance to the paper (d) paper bits picked up
2. 2.True or false: yeast is needed for the static comb. (a) True (b) False
3. 3.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
4. 4.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
5. 5.⚖️ 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
6. 6.🧺 Which of these is needed for the static comb? (a) a magnet (b) a balloon (c) vinegar (d) turmeric powder
7. 7.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn wet (d) they turn blue
8. 8.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
9. 9.True or false: a balloon is needed for the static comb. (a) False (b) True
10. 10.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a battery cell (c) dry hair (d) tiny paper bits
12. 12.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
13. 13.True or false: puffed rice does not move to a charged comb. (a) True (b) False
14. 14.⚖️ 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
15. 15.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a pebble (d) a thin water stream
16. 16.True or false: vinegar is needed for the static comb. (a) False (b) True
17. 17.True or false: a brick jumps to a charged comb. (a) True (b) False
18. 18.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) a rubbed plastic comb (d) paper bits on a comb
19. 19.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) vinegar (d) a plastic comb
20. 20.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
21. 21.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) sunlight (c) gravity (d) magnetism
22. 22.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
23. 23.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
24. 24.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
25. 25.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
26. 26.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
27. 27.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) dry hair (d) a pebble
28. 28.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a mirror (c) a plastic comb (d) dry hair
29. 29.⚖️ 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
30. 30.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
31. 31.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a pebble (d) dry hair
32. 32.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) water adds charge (d) damp air leaks charge
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
34. 34.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a magnet (d) tiny paper bits
35. 35.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) thermocol bits (d) a brick
36. 36.⚖️ 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
37. 37.🧺 Which of these is needed for the static comb? (a) vinegar (b) a plastic comb (c) turmeric powder (d) yeast
38. 38.⚖️ 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
39. 39.⚖️ 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) number of rubs (c) the same hair (d) paper bits picked up
40. 40.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) tiny paper bits (d) a heavy book

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