Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 409 · 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: turmeric powder is not needed for the static comb. (a) False (b) True
2. 2.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it is hot (d) it has static charge
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the same hair (c) paper bits picked up (d) number of rubs
4. 4.True or false: dry hair is needed for the static comb. (a) False (b) True
5. 5.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) gravity (d) sunlight
6. 6.⚖️ 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) number of rubs (c) the same hair (d) the same comb
7. 7.⚖️ 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
8. 8.⚡ Which of these jumps to a charged comb? (a) a pebble (b) tiny paper bits (c) a brick (d) a steel spoon
9. 9.⚖️ 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 keep it the same (c) we measure it
10. 10.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
11. 11.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
12. 12.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
14. 14.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
15. 15.🧺 Which of these is needed for the static comb? (a) yeast (b) a balloon (c) turmeric powder (d) vinegar
16. 16.True or false: puffed rice does not move to a charged comb. (a) True (b) False
17. 17.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) wet hair is magnetic (c) dry days are noisy (d) water adds charge
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) tiny paper bits (d) a balloon
19. 19.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
20. 20.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
22. 22.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) a brick (d) dry hair
25. 25.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) dry hair (d) a steel spoon
26. 26.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
27. 27.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) yeast (d) tiny paper bits
28. 28.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
30. 30.⚖️ 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
31. 31.True or false: a magnet is not needed for the static comb. (a) False (b) True
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
33. 33.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
34. 34.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) tiny paper bits (d) vinegar
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
36. 36.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
37. 37.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
38. 38.🧺 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) yeast
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) turmeric powder (d) tiny paper bits
40. 40.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the water freezes (d) the stream bends

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids