Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 937 · 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.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) a plastic comb (d) dry hair
3. 3.⚡ 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
4. 4.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
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 measure it (b) we keep it the same (c) we change it
6. 6.⚖️ 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) paper bits picked up (c) the same hair (d) distance to the paper
7. 7.⚖️ 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
8. 8.⚖️ 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) False (b) True
9. 9.🧺 Which of these is needed for the static comb? (a) turmeric powder (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) a plastic comb (c) a mirror (d) tiny paper bits
11. 11.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it becomes a magnet (d) it lights up
12. 12.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
13. 13.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the water stops (d) the stream bends
14. 14.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
16. 16.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
17. 17.True or false: a heavy book jumps to a charged comb. (a) True (b) False
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) number of rubs (c) paper bits picked up (d) the same hair
19. 19.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a steel spoon (c) a thin water stream (d) thermocol bits
20. 20.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) tiny paper bits (d) a pebble
21. 21.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) static electricity (d) magnetism
22. 22.⚖️ 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 keep it the same (c) we change it
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) turmeric powder (c) a plastic comb (d) a balloon
24. 24.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn blue (d) they turn wet
25. 25.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
26. 26.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
27. 27.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
28. 28.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
29. 29.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
30. 30.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
31. 31.True or false: dry hair is needed for the static comb. (a) False (b) True
32. 32.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
33. 33.True or false: a brick does not move to a charged comb. (a) False (b) True
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
35. 35.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) tiny paper bits (d) thermocol bits
36. 36.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
37. 37.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a steel spoon (d) tiny paper bits
38. 38.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) a steel spoon (d) puffed rice
39. 39.⚖️ 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) False (b) True
40. 40.⚖️ 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 hair

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