Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 255 · 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: a steel spoon jumps to a charged comb. (a) False (b) True
2. 2.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
3. 3.🧺 Which of these is needed for the static comb? (a) vinegar (b) dry hair (c) a mirror (d) yeast
4. 4.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
5. 5.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) sunlight (c) magnetism (d) gravity
6. 6.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a steel spoon (d) a brick
7. 7.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) a brick (d) a thin water stream
8. 8.🛟 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
9. 9.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
10. 10.⚖️ 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 keep it the same (c) we measure it
11. 11.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
12. 12.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) dry days are noisy (d) damp air leaks charge
13. 13.True or false: a plastic comb is needed for the static comb. (a) True (b) False
14. 14.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) tiny paper bits (d) dry hair
16. 16.⚖️ 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) number of rubs (c) paper bits picked up
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
18. 18.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) number of rubs (c) the same comb (d) the same hair
20. 20.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
21. 21.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) a thin water stream (d) tiny paper bits
22. 22.⚖️ 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
23. 23.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
24. 24.True or false: dry hair does not move to a charged comb. (a) True (b) False
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) dry hair (d) a battery cell
26. 26.🧺 Which of these is needed for the static comb? (a) vinegar (b) a battery cell (c) turmeric powder (d) tiny paper bits
27. 27.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
28. 28.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) a mirror (d) a plastic comb
29. 29.True or false: a brick does not move to a charged comb. (a) False (b) True
30. 30.True or false: a magnet is not needed for the static comb. (a) True (b) False
31. 31.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a battery cell
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a mirror
33. 33.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) a balloon (d) vinegar
34. 34.True or false: vinegar is not needed for the static comb. (a) False (b) True
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) vinegar
36. 36.True or false: turmeric powder is needed for the static comb. (a) False (b) True
37. 37.True or false: a heavy book jumps to a charged comb. (a) True (b) False
38. 38.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a pebble (c) dry hair (d) thermocol bits
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
40. 40.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops

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