Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 492 · 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) vinegar (b) dry hair (c) a plastic comb (d) a balloon
2. 2.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
4. 4.True or false: dry hair is not needed for the static comb. (a) False (b) True
5. 5.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) dry days are noisy (d) damp air leaks charge
6. 6.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it works better (d) it lights up
7. 7.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a mirror (c) a balloon (d) tiny paper bits
8. 8.🧺 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) a magnet
9. 9.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a steel spoon (d) dry hair
10. 10.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
11. 11.🧺 Which of these is needed for the static comb? (a) a balloon (b) yeast (c) a mirror (d) a magnet
12. 12.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
13. 13.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
15. 15.True or false: a balloon is not needed for the static comb. (a) True (b) False
16. 16.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
17. 17.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
18. 18.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) a pebble (d) a heavy book
19. 19.⚖️ 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 measure it (c) we keep it the same
20. 20.⚖️ 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
21. 21.⚖️ 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) distance to the paper (c) the same comb (d) number of rubs
22. 22.🛟 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
23. 23.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) lightning (d) dew
24. 24.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) a brick (d) thermocol bits
25. 25.True or false: a pebble jumps to a charged comb. (a) False (b) True
26. 26.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
27. 27.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) turmeric powder
28. 28.True or false: a plastic comb is needed for the static comb. (a) False (b) True
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) a plastic comb (d) tiny paper bits
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
31. 31.True or false: puffed rice does not move to a charged comb. (a) True (b) False
32. 32.⚖️ 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) True (b) False
33. 33.⚖️ 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
34. 34.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) distance to the paper (c) paper bits picked up (d) the same hair
36. 36.⚖️ 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
37. 37.🧺 Which of these is needed for the static comb? (a) vinegar (b) a battery cell (c) a magnet (d) a plastic comb
38. 38.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) a pebble (d) tiny paper bits
39. 39.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
40. 40.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) tiny paper bits (c) a thin water stream (d) thermocol bits

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