Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 425 · 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 dry hair. 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? True or false: paper bits picked up is what we measure. (a) True (b) False
3. 3.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) a heavy book (d) thermocol bits
4. 4.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it lights up (d) it becomes a magnet
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a mirror (d) dry hair
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) a battery cell
7. 7.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) they turn blue (d) nothing happens
8. 8.⚖️ 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
9. 9.⚖️ 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 comb (b) the paper bit size (c) number of rubs (d) paper bits picked up
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) paper bits on a comb (d) plug points at home
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
12. 12.⚖️ 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
13. 13.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) a thin water stream (c) tiny paper bits (d) dry hair
14. 14.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a mirror (d) a balloon
15. 15.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
16. 16.True or false: turmeric powder is needed for the static comb. (a) False (b) True
17. 17.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
18. 18.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) vinegar (c) dry hair (d) a plastic comb
20. 20.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
21. 21.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
22. 22.🧺 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
23. 23.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
24. 24.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) a heavy book (d) puffed rice
25. 25.True or false: a heavy book jumps to a charged comb. (a) True (b) False
26. 26.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
27. 27.⚖️ 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
28. 28.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
29. 29.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a balloon (c) a plastic comb (d) dry hair
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) a balloon (d) a plastic comb
31. 31.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) puffed rice (d) a pebble
32. 32.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
33. 33.True or false: a balloon is not needed for the static comb. (a) True (b) False
34. 34.True or false: dry hair is needed for the static comb. (a) False (b) True
35. 35.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a brick (c) tiny paper bits (d) a thin water stream
36. 36.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) damp air leaks charge (d) water adds charge
37. 37.🧺 Which of these is needed for the static comb? (a) a mirror (b) tiny paper bits (c) a battery cell (d) yeast
38. 38.True or false: a brick does not move to a charged comb. (a) True (b) False
39. 39.⚖️ 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) the same hair (c) paper bits picked up
40. 40.🧺 Which of these is needed for the static comb? (a) a mirror (b) a plastic comb (c) yeast (d) vinegar

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