Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 307 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) tiny paper bits (d) a plastic comb
2. 2.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
3. 3.True or false: dry hair does not move to a charged comb. (a) True (b) False
4. 4.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it sticks for a while (d) it falls straight down
5. 5.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it lights up (d) it hardly works
6. 6.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) lightning (d) dew
7. 7.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) the bits jump to it (d) they turn wet
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 measure it (b) we change it (c) we keep it the same
9. 9.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) indoors (d) on a rooftop
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we measure it (c) we keep it the same
11. 11.True or false: a magnet is not needed for the static comb. (a) False (b) True
12. 12.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
13. 13.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
14. 14.🛟 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
15. 15.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
16. 16.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
17. 17.True or false: a mirror is needed for the static comb. (a) True (b) False
18. 18.True or false: a heavy book jumps to a charged comb. (a) True (b) False
19. 19.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
20. 20.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a steel spoon (d) a thin water stream
21. 21.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
22. 22.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) a battery cell (d) a mirror
23. 23.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) dry hair (d) thermocol bits
24. 24.⚖️ 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
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) tiny paper bits (d) a plastic comb
26. 26.True or false: dry hair is not needed for the static comb. (a) True (b) False
27. 27.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) yeast (d) dry hair
28. 28.⚖️ 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 keep it the same (c) we change it
29. 29.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
30. 30.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
31. 31.⚖️ 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 same hair (c) distance to the paper (d) paper bits picked up
32. 32.🧺 Which of these is needed for the static comb? (a) a balloon (b) a magnet (c) vinegar (d) yeast
33. 33.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) thermocol bits (d) a pebble
34. 34.🧺 Which of these is not needed for the static comb? (a) dry hair (b) vinegar (c) tiny paper bits (d) a plastic comb
35. 35.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
36. 36.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a heavy book (d) thermocol bits
37. 37.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
38. 38.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) yeast (d) dry hair
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) paper bits picked up (c) the same comb (d) distance to the paper
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a magnet (d) a plastic comb

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