Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 341 · 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.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) vinegar (c) a battery cell (d) yeast
2. 2.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
3. 3.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) distance to the paper (c) number of rubs (d) paper bits picked up
5. 5.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) dry hair (d) a brick
6. 6.⚖️ 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
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) dry hair (d) a plastic comb
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
9. 9.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a steel spoon (d) thermocol bits
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) a magnet
11. 11.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) tiny paper bits (d) a heavy book
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) turmeric powder (d) tiny paper bits
13. 13.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
15. 15.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
16. 16.⚖️ 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
17. 17.⚖️ 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
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) paper bits picked up (c) the paper bit size (d) number of rubs
19. 19.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
20. 20.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it is a magnet (d) it has static charge
21. 21.True or false: dry hair is needed for the static comb. (a) True (b) False
22. 22.True or false: dry hair jumps to a charged comb. (a) True (b) False
23. 23.True or false: a magnet is needed for the static comb. (a) True (b) False
24. 24.⚖️ 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) True (b) False
25. 25.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
26. 26.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) tiny paper bits (c) thermocol bits (d) a thin water stream
27. 27.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
28. 28.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) a mirror (d) tiny paper bits
29. 29.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it falls straight down (d) it bursts at once
30. 30.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a brick (d) dry hair
31. 31.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
33. 33.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) vinegar (d) dry hair
34. 34.True or false: a plastic comb is needed for the static comb. (a) True (b) False
35. 35.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a battery cell (c) dry hair (d) a balloon
36. 36.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a pebble
37. 37.True or false: puffed rice jumps to a charged comb. (a) False (b) True
38. 38.⚖️ 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
39. 39.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) tiny paper bits (d) a brick
40. 40.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) gravity (d) static electricity

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