Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 980 · 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.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it falls straight down (d) it sticks for a while
2. 2.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) dry hair (d) a heavy book
3. 3.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) thermocol bits (d) a steel spoon
4. 4.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a brick (d) a thin water stream
5. 5.⚡ 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
6. 6.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a pebble (d) a thin water stream
7. 7.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
8. 8.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
9. 9.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a mirror (d) tiny paper bits
11. 11.⚖️ 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
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
13. 13.⚖️ 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) True (b) False
14. 14.True or false: a plastic comb is needed for the static comb. (a) False (b) True
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
16. 16.⚖️ 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) distance to the paper (c) number of rubs (d) paper bits picked up
17. 17.⚖️ 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
18. 18.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
19. 19.True or false: yeast is needed for the static comb. (a) True (b) False
20. 20.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) a pebble (d) a thin water stream
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) vinegar (d) a plastic comb
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) turmeric powder (c) a plastic comb (d) a balloon
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
24. 24.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) tiny paper bits (c) a brick (d) a steel spoon
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
26. 26.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
27. 27.True or false: a balloon is not needed for the static comb. (a) True (b) False
28. 28.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
29. 29.⚖️ 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
30. 30.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
31. 31.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) yeast (c) a balloon (d) dry hair
32. 32.True or false: a battery cell is needed for the static comb. (a) False (b) True
33. 33.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
34. 34.🔍 Which is the odd one out? (a) dry hair (b) a brick (c) thermocol bits (d) puffed rice
35. 35.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) dry hair (d) yeast
37. 37.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
39. 39.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) vinegar (c) yeast (d) tiny paper bits
40. 40.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move

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