Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 77 · 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.True or false: a battery cell is needed for the static comb. (a) True (b) False
2. 2.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) dry hair (d) turmeric powder
3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) a plastic comb (d) dry hair
5. 5.⚖️ 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
6. 6.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
7. 7.⚖️ 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
8. 8.⚖️ 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) the paper bit size
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a mirror (d) dry hair
10. 10.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it is hot (d) it has static charge
11. 11.🛟 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
12. 12.⚖️ 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
13. 13.🧺 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) turmeric powder
14. 14.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) tiny paper bits (d) a steel spoon
15. 15.⚖️ 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
16. 16.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
17. 17.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
18. 18.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
19. 19.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water stops (d) the water freezes
20. 20.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) yeast (d) a mirror
21. 21.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
22. 22.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) puffed rice (d) a pebble
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) paper bits picked up (c) the same comb (d) the same hair
24. 24.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a magnet (d) tiny paper bits
25. 25.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a steel spoon (d) dry hair
26. 26.🧺 Which of these is needed for the static comb? (a) vinegar (b) yeast (c) a balloon (d) a magnet
27. 27.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a heavy book (d) thermocol bits
28. 28.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) dew (d) a rainbow
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) False (b) True
30. 30.🔮 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
31. 31.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
32. 32.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) thermocol bits (d) dry hair
33. 33.⚖️ 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
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a battery cell (d) a plastic comb
35. 35.🔮 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
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
37. 37.True or false: yeast is needed for the static comb. (a) True (b) False
38. 38.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a magnet
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