Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 426 · 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 thin water stream. What happens? (a) jumps to the comb (b) does not move
2. 2.⚖️ 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) True (b) False
3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
4. 4.True or false: dry hair does not move to a charged comb. (a) True (b) False
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a battery cell
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the same hair (c) number of rubs (d) the paper bit size
7. 7.🧺 Which of these is needed for the static comb? (a) vinegar (b) a balloon (c) a magnet (d) turmeric powder
8. 8.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
9. 9.⚖️ 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) the same hair (c) paper bits picked up
10. 10.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a steel spoon (d) dry hair
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) yeast (d) a balloon
13. 13.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
14. 14.🛟 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
15. 15.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) a steel spoon (d) a thin water stream
16. 16.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it
17. 17.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a magnet (d) dry hair
18. 18.⚖️ 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
19. 19.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) a pebble (d) a heavy book
20. 20.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) damp air leaks charge (d) dry days are noisy
21. 21.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
22. 22.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it bursts at once (d) it sticks for a while
23. 23.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
24. 24.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) a steel spoon (d) a thin water stream
25. 25.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water freezes (d) the water stops
26. 26.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) dry hair (d) turmeric powder
27. 27.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) puffed rice (d) a brick
29. 29.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
30. 30.🧺 Which of these is not needed for the static comb? (a) a balloon (b) vinegar (c) tiny paper bits (d) dry hair
31. 31.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
32. 32.True or false: a battery cell is needed for the static comb. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) dry hair (d) a heavy book
34. 34.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a pebble (c) tiny paper bits (d) a thin water stream
35. 35.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
36. 36.⚖️ 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
37. 37.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) a battery cell (d) a plastic comb
38. 38.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) tiny paper bits (c) a steel spoon (d) a brick
39. 39.True or false: a mirror is needed for the static comb. (a) True (b) False
40. 40.⚖️ 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

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