Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 971 · 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.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
2. 2.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
3. 3.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
4. 4.True or false: a pebble jumps to a charged comb. (a) False (b) True
5. 5.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a steel spoon (d) dry hair
6. 6.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) puffed rice (d) thermocol bits
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
8. 8.True or false: dry hair is needed for the static comb. (a) False (b) True
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
10. 10.🛟 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
11. 11.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) the bits jump to it (d) they turn blue
12. 12.🧺 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) yeast
13. 13.True or false: puffed rice jumps to a charged comb. (a) True (b) False
14. 14.⚖️ 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
15. 15.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
16. 16.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
17. 17.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) number of rubs (c) the same comb (d) the paper bit size
19. 19.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
21. 21.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is sticky (d) it is a magnet
22. 22.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
23. 23.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) a brick (d) tiny paper bits
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
25. 25.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
26. 26.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
27. 27.⚖️ 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 keep it the same (c) we measure it
28. 28.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
29. 29.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
30. 30.🔮 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
31. 31.True or false: a mirror is needed for the static comb. (a) True (b) False
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
34. 34.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a heavy book (d) a brick
35. 35.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
36. 36.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) tiny paper bits (d) a battery cell
37. 37.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
38. 38.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
39. 39.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) tiny paper bits (d) a steel spoon
40. 40.True or false: a magnet is not needed for the static comb. (a) True (b) False

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