Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 75 · 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.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
2. 2.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a magnet (d) tiny paper bits
3. 3.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
4. 4.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a magnet (d) a plastic comb
5. 5.True or false: a brick does not move to a charged comb. (a) False (b) True
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
7. 7.⚖️ 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
8. 8.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) paper bits picked up (c) number of rubs
10. 10.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
11. 11.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a brick (d) a thin water stream
12. 12.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
13. 13.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
14. 14.True or false: vinegar is needed for the static comb. (a) False (b) True
15. 15.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it lights up (d) it hardly works
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) vinegar (c) a plastic comb (d) dry hair
17. 17.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) dry hair (d) a pebble
18. 18.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
19. 19.⚖️ 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 keep it the same (c) we measure it
20. 20.True or false: puffed rice jumps to a charged comb. (a) False (b) True
21. 21.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
22. 22.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
23. 23.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) the water freezes (d) nothing at all
24. 24.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
25. 25.True or false: a mirror is not needed for the static comb. (a) False (b) True
26. 26.⚡ 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
27. 27.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) wet hair is magnetic (d) dry days are noisy
28. 28.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a mirror (d) a balloon
31. 31.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) dry hair (d) puffed rice
32. 32.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
33. 33.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
35. 35.⚖️ 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) distance to the paper (c) the paper bit size (d) number of rubs
36. 36.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
37. 37.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
39. 39.True or false: vinegar is not needed for the static comb. (a) False (b) True
40. 40.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) dry hair (d) a heavy book

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