Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 703 · 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.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
2. 2.⚖️ 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
3. 3.🛟 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
4. 4.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it falls straight down (d) it bursts at once
5. 5.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a steel spoon (c) a pebble (d) a brick
6. 6.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) vinegar (d) a plastic comb
7. 7.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) the bits jump to it (d) nothing happens
8. 8.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) dry hair (d) a brick
9. 9.🔍 Which is the odd one out? (a) dry hair (b) a pebble (c) a heavy book (d) a brick
10. 10.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a magnet
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a battery cell (c) a balloon (d) a plastic comb
12. 12.True or false: vinegar is needed for the static comb. (a) False (b) True
13. 13.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) wet hair is magnetic (c) dry days are noisy (d) water adds charge
14. 14.⚖️ 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
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) True (b) False
16. 16.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) dry hair (c) vinegar (d) yeast
17. 17.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) a balloon (d) turmeric powder
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) yeast (d) a balloon
19. 19.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
20. 20.True or false: a plastic comb is needed for the static comb. (a) False (b) True
21. 21.⚖️ 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 change it (c) we measure it
22. 22.⚡ Which of these does not move to a charged comb? (a) a pebble (b) thermocol bits (c) puffed rice (d) a thin water stream
23. 23.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
24. 24.True or false: puffed rice does not move to a charged comb. (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) tiny paper bits (d) dry hair
26. 26.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
27. 27.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a thin water stream (d) puffed rice
28. 28.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
29. 29.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) tiny paper bits (d) a brick
32. 32.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
34. 34.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) gravity (d) sunlight
35. 35.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
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 keep it the same (b) we measure it (c) we change it
37. 37.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) a mirror (d) tiny paper bits
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) a plastic comb (d) a balloon
39. 39.True or false: a battery cell is needed for the static comb. (a) True (b) False
40. 40.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky

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