Static Electricity Experiment Worksheet

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

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