Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 237 · 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.⚖️ 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 change it (c) we measure it
2. 2.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) turmeric powder (d) yeast
3. 3.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it lights up (d) it works better
4. 4.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) tiny paper bits (d) a pebble
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) paper bits picked up (c) the same comb (d) the same hair
6. 6.⚖️ 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
7. 7.⚖️ 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) True (b) False
8. 8.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
9. 9.True or false: yeast is not needed for the static comb. (a) False (b) True
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) a battery cell
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a balloon (c) dry hair (d) a plastic comb
12. 12.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
13. 13.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) vinegar (c) yeast (d) a magnet
14. 14.True or false: puffed rice jumps to a charged comb. (a) True (b) False
15. 15.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it bursts at once (d) it falls straight down
16. 16.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) a thin water stream (c) puffed rice (d) thermocol bits
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) yeast (d) dry hair
18. 18.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) dry hair (c) a battery cell (d) vinegar
19. 19.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
20. 20.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
21. 21.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
22. 22.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree
23. 23.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) nothing at all (d) the water stops
24. 24.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
25. 25.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
26. 26.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
27. 27.⚖️ 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
28. 28.⚖️ 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) False (b) True
29. 29.🧺 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
30. 30.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) a magnet (d) a balloon
31. 31.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
32. 32.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a magnet (c) tiny paper bits (d) a plastic comb
33. 33.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a steel spoon (d) thermocol bits
34. 34.⚖️ 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) the paper bit size (c) paper bits picked up
35. 35.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) distance to the paper (c) number of rubs
37. 37.True or false: dry hair is not needed for the static comb. (a) True (b) False
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) the same comb
39. 39.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) lightning (d) the wind
40. 40.True or false: a steel spoon jumps to a charged comb. (a) False (b) True

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