Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 43 · 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 does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) dry hair (d) a brick
2. 2.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
3. 3.🧺 Which of these is not needed for the static comb? (a) a balloon (b) yeast (c) dry hair (d) a plastic comb
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) the same comb (c) distance to the paper (d) number of rubs
5. 5.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a brick (c) a steel spoon (d) a pebble
6. 6.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a thin water stream (c) a heavy book (d) a pebble
7. 7.⚖️ 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
8. 8.🔍 Which is the odd one out? (a) puffed rice (b) a brick (c) tiny paper bits (d) thermocol bits
9. 9.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
10. 10.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
11. 11.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a battery cell
13. 13.⚡ 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
14. 14.⚖️ 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) True (b) False
15. 15.True or false: a balloon is not needed for the static comb. (a) False (b) True
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) a magnet
17. 17.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
18. 18.True or false: a heavy book jumps to a charged comb. (a) False (b) True
19. 19.🧺 Which of these is needed for the static comb? (a) a mirror (b) a plastic comb (c) turmeric powder (d) vinegar
20. 20.⚖️ 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
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) the same hair (c) number of rubs
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
23. 23.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) magnetism (d) sunlight
24. 24.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it works better (d) it lights up
25. 25.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
26. 26.⚖️ 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 paper bit size
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
28. 28.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) tiny paper bits (c) a heavy book (d) a brick
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) turmeric powder
30. 30.🧺 Which of these is needed for the static comb? (a) a magnet (b) tiny paper bits (c) vinegar (d) a mirror
31. 31.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
32. 32.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
33. 33.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
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 change it (b) we keep it the same (c) we measure it
35. 35.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) the stream bends (d) nothing at all
36. 36.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
37. 37.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
38. 38.🛟 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
39. 39.⚖️ 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
40. 40.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a pebble (d) puffed rice

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