Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 382 · 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.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) water adds charge (d) damp air leaks charge
2. 2.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
3. 3.🧺 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
4. 4.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
7. 7.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the water freezes (d) the stream bends
8. 8.⚖️ 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 keep it the same (c) we measure it
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) tiny paper bits (d) a balloon
10. 10.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) a brick (d) dry hair
11. 11.🛟 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 balloon (d) a rubbed plastic comb
12. 12.True or false: a battery cell is not needed for the static comb. (a) False (b) True
13. 13.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) a brick (d) tiny paper bits
14. 14.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) a balloon (d) a plastic comb
16. 16.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
17. 17.⚖️ 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
18. 18.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) a thin water stream (d) a heavy book
19. 19.🧺 Which of these is not needed for the static comb? (a) a mirror (b) tiny paper bits (c) a plastic comb (d) dry hair
20. 20.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) puffed rice (d) a heavy book
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.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it lights up (d) it works better
23. 23.🧺 Which of these is needed for the static comb? (a) dry hair (b) vinegar (c) a magnet (d) turmeric powder
24. 24.⚡ Which of these jumps to a charged comb? (a) a brick (b) puffed rice (c) a steel spoon (d) a heavy book
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) a balloon (d) a plastic comb
26. 26.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) puffed rice (d) tiny paper bits
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
28. 28.⚡ Which of these jumps to a charged comb? (a) a brick (b) tiny paper bits (c) a pebble (d) a heavy book
29. 29.🔮 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
30. 30.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) dry hair (d) a balloon
31. 31.⚖️ 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
32. 32.True or false: a heavy book jumps to a charged comb. (a) False (b) True
33. 33.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) a balloon (d) turmeric powder
34. 34.True or false: a mirror is needed for the static comb. (a) True (b) False
35. 35.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
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 does not move to a charged comb? (a) puffed rice (b) a steel spoon (c) tiny paper bits (d) a thin water stream
38. 38.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) a mirror (d) a plastic comb
39. 39.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a battery cell (c) dry hair (d) a plastic comb
40. 40.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False

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