Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 124 · 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? True or false: the same comb is kept the same. (a) False (b) True
2. 2.⚖️ 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
3. 3.🛟 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
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
5. 5.True or false: a battery cell is needed for the static comb. (a) True (b) False
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a battery cell (d) a plastic comb
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) dry hair (d) a balloon
8. 8.True or false: dry hair jumps to a charged comb. (a) True (b) False
9. 9.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a brick (d) a thin water stream
10. 10.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it has static charge (d) it is sticky
11. 11.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a heavy book (c) puffed rice (d) thermocol bits
12. 12.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) a battery cell (d) tiny paper bits
13. 13.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) static electricity (d) gravity
14. 14.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
15. 15.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) they turn blue (d) the bits jump to it
16. 16.⚖️ 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) the paper bit size (c) number of rubs (d) paper bits picked up
17. 17.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) tiny paper bits (c) a magnet (d) yeast
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
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 comb (c) the paper bit size (d) paper bits picked up
20. 20.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a battery cell (c) a mirror (d) a plastic comb
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) turmeric powder (d) dry hair
23. 23.True or false: dry hair is not needed for the static comb. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) a steel spoon (d) a pebble
25. 25.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
26. 26.🧺 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) dry hair
27. 27.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) puffed rice (c) a thin water stream (d) thermocol bits
28. 28.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
29. 29.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
30. 30.⚖️ 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 change it (c) we keep it the same
31. 31.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a balloon (c) tiny paper bits (d) a plastic comb
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same
33. 33.True or false: vinegar is needed for the static comb. (a) True (b) False
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) number of rubs (c) paper bits picked up
35. 35.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) a plastic comb (d) dry hair
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) tiny paper bits (d) a balloon
38. 38.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) turmeric powder (c) a plastic comb (d) a balloon
39. 39.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) puffed rice (d) dry hair
40. 40.True or false: vinegar is not needed for the static comb. (a) False (b) True

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