Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 263 · 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 is the odd one out? (a) dry hair (b) a thin water stream (c) a heavy book (d) thermocol bits
2. 2.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) yeast (d) a plastic comb
3. 3.⚖️ 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
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) the same comb (c) the paper bit size (d) paper bits picked up
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
7. 7.⚖️ 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
8. 8.⚖️ 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
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) number of rubs (c) paper bits picked up
10. 10.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is a magnet (d) it is hot
11. 11.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
12. 12.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) puffed rice (d) a heavy book
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) a plastic comb (d) dry hair
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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a balloon (d) a plastic comb
16. 16.🧺 Which of these is not needed for the static comb? (a) a balloon (b) turmeric powder (c) a plastic comb (d) dry hair
17. 17.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
18. 18.True or false: a magnet is not needed for the static comb. (a) True (b) False
19. 19.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
20. 20.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a magnet (d) dry hair
21. 21.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) a heavy book (d) puffed rice
22. 22.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
23. 23.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
24. 24.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
25. 25.⚖️ 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
26. 26.True or false: a heavy book does not move to a charged comb. (a) True (b) False
27. 27.🔮 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
28. 28.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a pebble (d) a steel spoon
29. 29.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a steel spoon (d) thermocol bits
30. 30.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) dry days are noisy (c) water adds charge (d) wet hair is magnetic
31. 31.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) a plastic comb (d) a balloon
34. 34.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
35. 35.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
36. 36.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
37. 37.⚖️ 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 hair (b) paper bits picked up (c) number of rubs (d) distance to the paper
38. 38.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
39. 39.⚖️ 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 change it (c) we keep it the same
40. 40.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens

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