Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 173 · 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 not needed for the static comb? (a) a mirror (b) a plastic comb (c) tiny paper bits (d) a balloon
2. 2.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) a pebble (d) a brick
3. 3.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
4. 4.⚖️ 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
5. 5.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) dry hair (d) a pebble
6. 6.⚖️ 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
7. 7.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
8. 8.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) the wind (d) lightning
9. 9.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) a magnet (d) tiny paper bits
10. 10.🧺 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
11. 11.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) wet hair is magnetic (d) dry days are noisy
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) paper bits picked up (c) number of rubs
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) a plastic comb (d) tiny paper bits
14. 14.🧺 Which of these is not needed for the static comb? (a) dry hair (b) turmeric powder (c) tiny paper bits (d) a plastic comb
15. 15.⚖️ 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) the paper bit size (c) the same comb (d) paper bits picked up
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) number of rubs (c) the paper bit size (d) the same comb
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 measure it (b) we change it (c) we keep it the same
18. 18.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
19. 19.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) thermocol bits (d) a heavy book
20. 20.🧺 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) vinegar
21. 21.True or false: dry hair is not needed for the static comb. (a) True (b) False
22. 22.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a magnet (d) tiny paper bits
23. 23.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) sunlight (c) magnetism (d) gravity
24. 24.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) a thin water stream (d) puffed rice
25. 25.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a brick (d) tiny paper bits
26. 26.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it lights up (d) it hardly works
27. 27.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
28. 28.⚖️ 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
29. 29.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) thermocol bits (d) a brick
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
31. 31.🔮 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 sticks for a while (d) it bursts at once
32. 32.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
33. 33.True or false: a plastic comb is needed for the static comb. (a) True (b) False
34. 34.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
35. 35.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) dry hair (d) tiny paper bits
37. 37.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
38. 38.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
39. 39.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) paper bits picked up (c) number of rubs

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