Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 24 · 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.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) in an open field (d) indoors
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 change it (b) we measure it (c) we keep it the same
3. 3.⚖️ 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
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) dry hair
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
6. 6.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
7. 7.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) sunlight (d) static electricity
8. 8.True or false: a mirror is needed for the static comb. (a) True (b) False
9. 9.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) thermocol bits (c) puffed rice (d) dry hair
10. 10.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it becomes a magnet (d) it lights up
11. 11.True or false: vinegar is needed for the static comb. (a) False (b) True
12. 12.True or false: puffed rice does not move to a charged comb. (a) True (b) False
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
14. 14.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
15. 15.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) a mirror (d) a battery cell
16. 16.⚖️ 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
17. 17.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
18. 18.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
19. 19.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) damp air leaks charge (d) wet hair is magnetic
20. 20.⚖️ 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 measure it (c) we change it
21. 21.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
22. 22.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is a magnet (d) it is sticky
23. 23.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) vinegar (d) dry hair
24. 24.⚖️ 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) number of rubs (c) paper bits picked up (d) the same hair
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
26. 26.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
27. 27.True or false: dry hair does not move to a charged comb. (a) True (b) False
28. 28.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
29. 29.🧺 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) vinegar
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) turmeric powder (d) a plastic comb
32. 32.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
33. 33.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
34. 34.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
35. 35.True or false: dry hair is not needed for the static comb. (a) True (b) False
36. 36.True or false: a pebble jumps to a charged comb. (a) True (b) False
37. 37.⚖️ 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
38. 38.⚖️ 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
39. 39.⚖️ 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
40. 40.⚖️ 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) distance to the paper (c) the same comb (d) paper bits picked up

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