Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 300 · 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 pebble. What happens? (a) jumps to the comb (b) does not move
2. 2.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a steel spoon (d) thermocol bits
3. 3.True or false: puffed rice jumps to a charged comb. (a) False (b) True
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) vinegar
5. 5.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) puffed rice (d) a pebble
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
7. 7.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
8. 8.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
9. 9.⚖️ 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
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a magnet (d) a balloon
11. 11.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a heavy book (d) dry hair
12. 12.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) damp air leaks charge (c) water adds charge (d) wet hair is magnetic
13. 13.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a pebble (c) thermocol bits (d) a thin water stream
14. 14.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) a balloon (c) tiny paper bits (d) dry hair
15. 15.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed plastic comb (d) a rubbed balloon
16. 16.🔮 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 sticks for a while (d) it bursts at once
17. 17.⚖️ 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 change it (c) we keep it the same
18. 18.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) nothing happens (d) they turn wet
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) distance to the paper (c) the same hair (d) paper bits picked up
20. 20.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
21. 21.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) a balloon (d) yeast
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) tiny paper bits (d) dry hair
23. 23.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a mirror (c) vinegar (d) a battery cell
24. 24.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
25. 25.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it has static charge (d) it is a magnet
26. 26.⚖️ 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) paper bits picked up (c) distance to the paper
27. 27.⚖️ 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
28. 28.⚡ Which of these jumps to a charged comb? (a) a brick (b) thermocol bits (c) a heavy book (d) a steel spoon
29. 29.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) a thin water stream (d) puffed rice
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) paper bits picked up (c) number of rubs
31. 31.True or false: a magnet is needed for the static comb. (a) True (b) False
32. 32.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) dry hair (d) a pebble
34. 34.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
35. 35.⚖️ 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
36. 36.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
37. 37.⚖️ 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 keep it the same (c) we change it
38. 38.⚖️ 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 hair (d) the paper bit size
39. 39.⚖️ 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 measure it (c) we keep it the same
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