Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 155 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) number of rubs (c) paper bits picked up (d) the same comb
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) vinegar (d) a balloon
3. 3.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) turmeric powder (d) a balloon
4. 4.True or false: a battery cell is not needed for the static comb. (a) True (b) False
5. 5.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
6. 6.⚖️ 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) distance to the paper (c) the paper bit size (d) paper bits picked up
7. 7.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) tiny paper bits (d) a pebble
8. 8.True or false: vinegar is not needed for the static comb. (a) True (b) False
9. 9.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
12. 12.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) tiny paper bits (d) a plastic comb
14. 14.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) yeast (d) turmeric powder
15. 15.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
16. 16.True or false: puffed rice jumps to a charged comb. (a) True (b) False
17. 17.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) puffed rice (d) a brick
18. 18.⚖️ 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 keep it the same (c) we change it
19. 19.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a thin water stream (d) a brick
20. 20.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
21. 21.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) a rainbow (d) dew
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
23. 23.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
24. 24.🧺 Which of these is needed for the static comb? (a) vinegar (b) tiny paper bits (c) a mirror (d) turmeric powder
25. 25.True or false: a brick does not move to a charged comb. (a) True (b) False
26. 26.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) indoors (d) in an open field
27. 27.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) thermocol bits (d) a pebble
28. 28.🧺 Which of these is not needed for the static comb? (a) dry hair (b) yeast (c) a plastic comb (d) a balloon
29. 29.True or false: yeast is needed for the static comb. (a) True (b) False
30. 30.True or false: yeast is not needed for the static comb. (a) False (b) True
31. 31.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
32. 32.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
33. 33.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a battery cell (d) a plastic comb
34. 34.True or false: dry hair jumps to a charged comb. (a) True (b) False
35. 35.⚖️ 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
36. 36.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
37. 37.⚖️ 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
38. 38.🔮 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
39. 39.🧺 Which of these is not needed for the static comb? (a) dry hair (b) turmeric powder (c) a balloon (d) a plastic comb
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False

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