Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 558 · 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: a balloon is not needed for the static comb. (a) False (b) True
2. 2.🛟 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) a rubbed balloon (d) plug points at home
3. 3.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
4. 4.⚖️ 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
5. 5.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
6. 6.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
7. 7.⚖️ 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) True (b) False
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we change it (c) we measure it
9. 9.⚖️ 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 paper bit size (c) number of rubs (d) paper bits picked up
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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
12. 12.True or false: dry hair is not needed for the static comb. (a) False (b) True
13. 13.⚖️ 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
14. 14.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it is sticky (d) it has static charge
15. 15.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
16. 16.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) thermocol bits (d) a thin water stream
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) a mirror
18. 18.True or false: puffed rice jumps to a charged comb. (a) True (b) False
19. 19.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
20. 20.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
21. 21.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) indoors (d) under a tall tree
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
23. 23.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
24. 24.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
25. 25.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) paper bits picked up (c) number of rubs
27. 27.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) vinegar
28. 28.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) dew (d) a rainbow
29. 29.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) yeast (d) vinegar
30. 30.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) thermocol bits
31. 31.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
32. 32.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) the bits jump to it (d) they turn wet
33. 33.⚖️ 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) paper bits picked up (c) the same hair (d) the same comb
34. 34.⚖️ 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
35. 35.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) the same comb (c) paper bits picked up
37. 37.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) tiny paper bits (d) a heavy book
38. 38.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) a thin water stream (d) a pebble
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a magnet (d) tiny paper bits
40. 40.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a magnet (d) dry hair

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