Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 423 · 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: number of rubs is the one thing we change. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) thermocol bits (d) a thin water stream
3. 3.⚖️ 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
4. 4.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a mirror (d) a plastic comb
6. 6.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) static electricity (d) magnetism
7. 7.⚖️ 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
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same comb (c) distance to the paper (d) paper bits picked up
9. 9.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
10. 10.🔮 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
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) dry hair (d) tiny paper bits
12. 12.⚡ 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
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
14. 14.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
15. 15.⚖️ 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 same hair (c) paper bits picked up (d) number of rubs
16. 16.⚖️ 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) False (b) True
17. 17.⚖️ 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) False (b) True
18. 18.True or false: puffed rice does not move to a charged comb. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) a heavy book (d) a brick
20. 20.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
21. 21.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) thermocol bits (d) a heavy book
22. 22.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
23. 23.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) plug points at home (d) a rubbed balloon
24. 24.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
25. 25.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) damp air leaks charge (d) dry days are noisy
26. 26.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) dry hair (d) yeast
27. 27.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
28. 28.True or false: a mirror is not needed for the static comb. (a) True (b) False
29. 29.True or false: a magnet is needed for the static comb. (a) False (b) True
30. 30.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes
31. 31.⚖️ 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 keep it the same (c) we measure it
32. 32.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) turmeric powder (d) a balloon
33. 33.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
34. 34.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) a brick (d) dry hair
35. 35.⚖️ 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) False (b) True
36. 36.🧺 Which of these is not needed for the static comb? (a) vinegar (b) dry hair (c) tiny paper bits (d) a plastic comb
37. 37.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
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) vinegar
39. 39.True or false: yeast is needed for the static comb. (a) True (b) False
40. 40.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed

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