Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 913 · 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 a heavy book. What happens? (a) jumps to the comb (b) does not move
2. 2.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) a battery cell
4. 4.True or false: dry hair is not needed for the static comb. (a) True (b) False
5. 5.⚖️ 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) paper bits picked up (c) the same hair
6. 6.True or false: a magnet is not needed for the static comb. (a) False (b) True
7. 7.🧺 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
8. 8.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) a balloon (d) dry hair
10. 10.True or false: vinegar is needed for the static comb. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) dry hair (d) a brick
12. 12.True or false: a brick jumps to a charged comb. (a) True (b) False
13. 13.⚖️ 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
14. 14.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) paper bits on a comb (d) plug points at home
15. 15.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it works better (d) it lights up
16. 16.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
17. 17.🧺 Which of these is not needed for the static comb? (a) yeast (b) a balloon (c) a plastic comb (d) dry hair
18. 18.🧺 Which of these is needed for the static comb? (a) dry hair (b) yeast (c) a mirror (d) turmeric powder
19. 19.⚖️ 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 same hair (c) paper bits picked up (d) the paper bit size
20. 20.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
21. 21.True or false: vinegar is not needed for the static comb. (a) False (b) True
22. 22.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
23. 23.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) the water stops (d) nothing at all
24. 24.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
25. 25.⚖️ 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 keep it the same (c) we measure it
26. 26.⚖️ 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) number of rubs (c) the paper bit size (d) the same comb
27. 27.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
28. 28.🛟 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
29. 29.⚖️ 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
30. 30.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
32. 32.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
33. 33.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) a brick (d) a steel spoon
34. 34.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a plastic comb (d) vinegar
35. 35.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) puffed rice (c) a steel spoon (d) a pebble
36. 36.⚖️ 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
37. 37.True or false: dry hair does not move to a charged comb. (a) False (b) True
38. 38.🧺 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) a mirror
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
40. 40.True or false: a heavy book jumps to a charged comb. (a) False (b) True

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