Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 684 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) number of rubs (c) paper bits picked up
2. 2.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a pebble (c) dry hair (d) tiny paper bits
3. 3.⚖️ 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 measure it (c) we keep it the same
4. 4.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) yeast (c) a magnet (d) a battery cell
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) a battery cell (d) dry hair
6. 6.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) yeast (c) tiny paper bits (d) a magnet
7. 7.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) a rubbed balloon (d) plug points at home
8. 8.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
9. 9.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) turmeric powder
10. 10.⚖️ 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 keep it the same (c) we measure it
11. 11.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) indoors (d) on a rooftop
12. 12.⚖️ 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
13. 13.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
14. 14.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) damp air leaks charge (d) wet hair is magnetic
15. 15.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) dry hair (d) vinegar
16. 16.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a heavy book (d) a pebble
17. 17.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a heavy book (c) dry hair (d) a thin water stream
18. 18.True or false: a mirror is not needed for the static comb. (a) False (b) True
19. 19.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water freezes (d) the water stops
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) a balloon (d) tiny paper bits
21. 21.True or false: a balloon is not needed for the static comb. (a) True (b) False
22. 22.True or false: a battery cell is needed for the static comb. (a) True (b) False
23. 23.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
24. 24.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
25. 25.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
26. 26.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
27. 27.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a mirror (d) a plastic comb
28. 28.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) dry hair (d) a steel spoon
29. 29.⚖️ 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 measure it (c) we keep it the same
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a magnet (c) dry hair (d) a plastic comb
31. 31.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) the bits jump to it (d) they turn wet
32. 32.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a brick (d) dry hair
33. 33.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it turns into water (d) it bursts at once
34. 34.⚖️ 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 same hair (c) paper bits picked up (d) number of rubs
35. 35.⚖️ 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) False (b) True
36. 36.True or false: yeast is not needed for the static comb. (a) True (b) False
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) paper bits picked up (c) number of rubs (d) the same comb
38. 38.True or false: dry hair is needed for the static comb. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) dry hair (d) a pebble
40. 40.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed

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