Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 296 · 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.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
2. 2.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) a steel spoon (d) a brick
3. 3.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
4. 4.True or false: turmeric powder is needed for the static comb. (a) True (b) False
5. 5.🧺 Which of these is needed for the static comb? (a) a magnet (b) dry hair (c) a mirror (d) turmeric powder
6. 6.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) puffed rice (d) a heavy book
7. 7.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) dry days are noisy (d) wet hair is magnetic
8. 8.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn wet (d) they turn blue
9. 9.⚖️ 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
10. 10.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) tiny paper bits (d) puffed rice
11. 11.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a thin water stream (d) a pebble
12. 12.True or false: a mirror is needed for the static comb. (a) True (b) False
13. 13.🛟 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
14. 14.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) yeast
15. 15.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a steel spoon (c) thermocol bits (d) puffed rice
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) turmeric powder (c) dry hair (d) a balloon
17. 17.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) dry hair (d) a plastic comb
19. 19.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) the water stops (d) nothing at all
20. 20.🧺 Which of these is needed for the static comb? (a) yeast (b) a magnet (c) a plastic comb (d) vinegar
21. 21.⚖️ 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) number of rubs (c) distance to the paper (d) the same hair
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
23. 23.⚖️ 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) paper bits picked up (c) number of rubs (d) the same comb
24. 24.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
25. 25.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a steel spoon (d) thermocol bits
26. 26.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) vinegar (c) a magnet (d) turmeric powder
27. 27.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
28. 28.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
29. 29.True or false: vinegar is needed for the static comb. (a) True (b) False
30. 30.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a brick (c) thermocol bits (d) dry hair
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) vinegar (d) a plastic comb
32. 32.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it bursts at once (d) it falls straight down
33. 33.⚖️ 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
34. 34.True or false: a mirror is not needed for the static comb. (a) False (b) True
35. 35.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
36. 36.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
37. 37.⚖️ 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
38. 38.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a pebble (d) tiny paper bits
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) dry hair (d) tiny paper bits
40. 40.⚖️ 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) paper bits picked up (c) number of rubs

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