Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 328 · 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.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
2. 2.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) gravity (d) static electricity
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) a mirror (d) tiny paper bits
4. 4.True or false: a pebble jumps to a charged comb. (a) False (b) True
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the same comb (c) the same hair (d) number of rubs
6. 6.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a battery cell (c) dry hair (d) a balloon
7. 7.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) wet hair is magnetic (d) damp air leaks charge
8. 8.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
10. 10.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) nothing at all (d) the stream bends
11. 11.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a heavy book (c) a thin water stream (d) puffed rice
12. 12.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
13. 13.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
14. 14.⚖️ 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) False (b) True
15. 15.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it becomes a magnet (d) it works better
16. 16.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) thermocol bits (d) puffed rice
17. 17.⚖️ 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) the paper bit size (c) paper bits picked up (d) the same hair
18. 18.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) thermocol bits (d) a heavy book
19. 19.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) paper bits on a comb (d) a rubbed plastic comb
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) a plastic comb (d) dry hair
22. 22.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it is hot (d) it has static charge
23. 23.True or false: a balloon is not needed for the static comb. (a) False (b) True
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) a balloon (d) dry hair
25. 25.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
26. 26.⚖️ 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
27. 27.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a steel spoon (c) a pebble (d) a heavy book
28. 28.⚖️ 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) False (b) True
29. 29.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) turmeric powder (d) a balloon
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
31. 31.⚖️ 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
32. 32.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
33. 33.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
35. 35.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) yeast (d) a plastic comb
37. 37.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
38. 38.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
39. 39.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
40. 40.🧺 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) a battery cell

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