Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 430 · 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 dry hair. What happens? (a) does not move (b) jumps to the comb
2. 2.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) a pebble (d) puffed rice
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
4. 4.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) a plastic comb (d) a magnet
5. 5.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
6. 6.True or false: a magnet is not needed for the static comb. (a) True (b) False
7. 7.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) dry hair (d) a plastic comb
9. 9.⚖️ 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
10. 10.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
11. 11.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) static electricity (d) gravity
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same hair (c) the same comb (d) distance to the paper
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) a plastic comb (d) tiny paper bits
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: tiny paper bits jumps to a charged comb. (a) False (b) True
16. 16.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
17. 17.True or false: yeast is needed for the static comb. (a) True (b) False
18. 18.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a balloon (c) dry hair (d) a plastic comb
19. 19.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
20. 20.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a plastic comb (d) turmeric powder
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) a magnet
22. 22.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) the water freezes (d) nothing at all
23. 23.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
24. 24.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
25. 25.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) dry hair (d) a battery cell
26. 26.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a steel spoon (d) puffed rice
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
28. 28.True or false: a battery cell is not needed for the static comb. (a) False (b) True
29. 29.True or false: vinegar is not needed for the static comb. (a) False (b) True
30. 30.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a heavy book (d) thermocol bits
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) a plastic comb (d) dry hair
32. 32.⚖️ 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) the same comb (c) paper bits picked up (d) the same hair
33. 33.⚖️ 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
34. 34.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
35. 35.⚖️ 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
36. 36.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) yeast (c) a balloon (d) tiny paper bits
37. 37.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) thermocol bits (d) a heavy book
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) tiny paper bits (c) a plastic comb (d) dry hair
39. 39.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same

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