Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 37 · 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: tiny paper bits is not needed for the static comb. (a) True (b) False
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) on a rooftop (d) in an open field
3. 3.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a thin water stream (d) tiny paper bits
4. 4.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it hardly works (d) it lights up
5. 5.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a brick (d) a thin water stream
6. 6.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
7. 7.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) a brick (d) a steel spoon
9. 9.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) thermocol bits (d) a pebble
10. 10.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) a balloon (d) a mirror
11. 11.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) puffed rice (d) thermocol bits
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
13. 13.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
14. 14.True or false: a mirror is needed for the static comb. (a) False (b) True
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a battery cell (c) a plastic comb (d) tiny paper bits
16. 16.⚖️ 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 hair (d) paper bits picked up
17. 17.⚖️ 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 keep it the same (c) we measure it
18. 18.⚖️ 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) distance to the paper (c) paper bits picked up
19. 19.True or false: a magnet is needed for the static comb. (a) False (b) True
20. 20.⚖️ 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
21. 21.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
22. 22.⚖️ 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
23. 23.True or false: a battery cell is needed for the static comb. (a) False (b) True
24. 24.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
25. 25.⚖️ 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
26. 26.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a steel spoon (c) a heavy book (d) a pebble
27. 27.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) puffed rice (d) a brick
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) vinegar
29. 29.⚖️ 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
30. 30.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) distance to the paper (c) the same comb (d) number of rubs
32. 32.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) dry hair (d) a heavy book
33. 33.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a steel spoon (d) tiny paper bits
34. 34.⚖️ 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
35. 35.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
36. 36.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) tiny paper bits (c) a plastic comb (d) dry hair
37. 37.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) a steel spoon (d) a heavy book
38. 38.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) turmeric powder
40. 40.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) a magnet (d) dry hair

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