Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 839 · 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.🧺 Which of these is needed for the static comb? (a) yeast (b) a magnet (c) a battery cell (d) a plastic comb
2. 2.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
3. 3.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) tiny paper bits (d) a steel spoon
4. 4.⚖️ 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 keep it the same (c) we change it
5. 5.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) lightning (d) dew
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
7. 7.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water freezes (d) the water stops
8. 8.🧺 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) a battery cell
9. 9.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a heavy book (c) thermocol bits (d) a thin water stream
10. 10.True or false: a magnet is needed for the static comb. (a) True (b) False
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) tiny paper bits (c) dry hair (d) a plastic comb
12. 12.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it turns into water (d) it falls straight down
13. 13.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) indoors (d) in an open field
14. 14.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
15. 15.True or false: a heavy book does not move to a charged comb. (a) False (b) True
16. 16.⚖️ 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) paper bits picked up (d) number of rubs
17. 17.True or false: a balloon is needed for the static comb. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) thermocol bits (d) a steel spoon
19. 19.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a steel spoon (d) dry hair
20. 20.True or false: a mirror is needed for the static comb. (a) True (b) False
21. 21.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) paper bits picked up (c) the same hair (d) number of rubs
23. 23.⚖️ 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) the same comb (c) number of rubs
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
25. 25.⚖️ 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
26. 26.True or false: a mirror is not needed for the static comb. (a) False (b) True
27. 27.True or false: turmeric powder is needed for the static comb. (a) False (b) True
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) tiny paper bits (d) a balloon
29. 29.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) wet hair is magnetic (c) dry days are noisy (d) water adds charge
30. 30.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it has static charge (d) it is hot
31. 31.🧺 Which of these is needed for the static comb? (a) dry hair (b) a mirror (c) turmeric powder (d) vinegar
32. 32.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
33. 33.⚖️ 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
34. 34.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) turmeric powder
37. 37.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet
38. 38.⚖️ 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
39. 39.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) magnetism (d) static electricity
40. 40.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) tiny paper bits (d) a steel spoon

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