Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 891 · 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.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
2. 2.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
3. 3.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) turmeric powder (d) dry hair
4. 4.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
5. 5.⚖️ 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 hair (c) paper bits picked up
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
7. 7.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
8. 8.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) nothing happens (d) they turn wet
9. 9.True or false: dry hair does not move to a charged comb. (a) True (b) False
10. 10.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) a steel spoon (d) a pebble
12. 12.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) yeast (c) a mirror (d) tiny paper bits
13. 13.True or false: dry hair is needed for the static comb. (a) True (b) False
14. 14.True or false: a plastic comb is needed for the static comb. (a) False (b) True
15. 15.True or false: a brick does not move to a charged comb. (a) False (b) True
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
17. 17.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) a pebble (d) a heavy book
18. 18.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
19. 19.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
20. 20.True or false: a mirror is needed for the static comb. (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) a pebble (d) dry hair
22. 22.⚖️ 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) True (b) False
23. 23.True or false: a magnet is not needed for the static comb. (a) False (b) True
24. 24.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree
25. 25.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) vinegar (d) a plastic comb
26. 26.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
27. 27.⚖️ 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
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) a balloon (d) dry hair
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
31. 31.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a brick (d) tiny paper bits
32. 32.⚖️ 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 keep it the same (c) we measure it
33. 33.⚖️ 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
34. 34.🧺 Which of these is needed for the static comb? (a) a magnet (b) dry hair (c) a mirror (d) yeast
35. 35.True or false: a balloon is needed for the static comb. (a) False (b) True
36. 36.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
37. 37.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it falls straight down (d) it sticks for a while
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) paper bits picked up (c) the same comb (d) number of rubs
39. 39.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) dry hair (d) puffed rice
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a battery cell (c) dry hair (d) a plastic comb

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