Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 885 · 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) a steel spoon (b) a brick (c) a heavy book (d) thermocol bits
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it
3. 3.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) a pebble (d) dry hair
4. 4.⚖️ 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
5. 5.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it hardly works (d) it works better
6. 6.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it
7. 7.⚖️ 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) the same comb (c) paper bits picked up (d) number of rubs
8. 8.True or false: turmeric powder is needed for the static comb. (a) False (b) True
9. 9.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a steel spoon (c) thermocol bits (d) dry hair
10. 10.🔍 Which is the odd one out? (a) thermocol bits (b) puffed rice (c) tiny paper bits (d) a heavy book
11. 11.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) magnetism (d) static electricity
12. 12.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we change it (c) we keep it the same
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) dry hair (d) a balloon
15. 15.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
16. 16.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a brick (c) a pebble (d) a steel spoon
17. 17.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
18. 18.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) dry hair (d) a brick
19. 19.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) dry hair (d) a balloon
21. 21.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
22. 22.⚖️ 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
23. 23.True or false: a pebble does not move to a charged comb. (a) False (b) True
24. 24.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
25. 25.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
26. 26.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
27. 27.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) paper bits picked up (c) number of rubs
30. 30.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a steel spoon (d) tiny paper bits
31. 31.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) a thin water stream
32. 32.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a heavy book (d) a steel spoon
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a magnet
34. 34.🧺 Which of these is needed for the static comb? (a) a balloon (b) a mirror (c) turmeric powder (d) a battery cell
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
36. 36.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
37. 37.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it is a magnet (d) it has static charge
38. 38.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
39. 39.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed balloon (d) a rubbed plastic comb
40. 40.True or false: yeast is needed for the static comb. (a) False (b) True

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