Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 271 · 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 thermocol bits. What happens? (a) jumps to the comb (b) does not move
2. 2.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) damp air leaks charge (d) wet hair is magnetic
3. 3.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
4. 4.⚖️ 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 same comb (c) paper bits picked up (d) number of rubs
5. 5.⚖️ 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
6. 6.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) tiny paper bits (d) a mirror
7. 7.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
8. 8.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) dry hair (d) a steel spoon
9. 9.⚡ 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
10. 10.True or false: dry hair is not needed for the static comb. (a) False (b) True
11. 11.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
12. 12.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a steel spoon (d) a thin water stream
13. 13.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a pebble (c) a heavy book (d) a steel spoon
14. 14.True or false: a plastic comb is needed for the static comb. (a) True (b) False
15. 15.⚖️ 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) the same comb (c) number of rubs (d) paper bits picked up
16. 16.⚖️ 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
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) a balloon (d) dry hair
18. 18.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
19. 19.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops
20. 20.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
21. 21.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it becomes a magnet (d) it lights up
22. 22.True or false: a balloon is not needed for the static comb. (a) True (b) False
23. 23.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it sticks for a while (d) it bursts at once
24. 24.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
25. 25.🧺 Which of these is not needed for the static comb? (a) a balloon (b) yeast (c) dry hair (d) a plastic comb
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) dry hair (d) yeast
27. 27.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a thin water stream (d) a pebble
28. 28.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
30. 30.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
31. 31.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a brick (d) puffed rice
32. 32.True or false: a magnet is needed for the static comb. (a) False (b) True
33. 33.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) thermocol bits (d) a brick
34. 34.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
35. 35.⚖️ 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
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a plastic comb (c) tiny paper bits (d) a balloon
37. 37.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
38. 38.⚖️ 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
39. 39.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
40. 40.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move

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