Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 493 · 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 needed for the static comb. (a) False (b) True
2. 2.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a mirror (d) a plastic comb
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
4. 4.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it
5. 5.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) yeast (c) vinegar (d) a mirror
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a plastic comb (d) a balloon
7. 7.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
8. 8.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
9. 9.⚖️ 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
10. 10.⚖️ 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 change it (c) we measure it
11. 11.⚖️ 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 hair (c) the paper bit size (d) number of rubs
12. 12.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
13. 13.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a heavy book (d) dry hair
14. 14.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it turns into water (d) it sticks for a while
15. 15.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
16. 16.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
17. 17.⚖️ 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
18. 18.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
19. 19.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) a mirror (d) a balloon
20. 20.⚖️ 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) the paper bit size (c) the same hair (d) paper bits picked up
21. 21.True or false: vinegar is needed for the static comb. (a) True (b) False
22. 22.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
23. 23.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
24. 24.True or false: a battery cell is needed for the static comb. (a) False (b) True
25. 25.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
26. 26.True or false: a mirror is not needed for the static comb. (a) True (b) False
27. 27.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
28. 28.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning
29. 29.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) a plastic comb (d) a magnet
30. 30.True or false: a balloon is not needed for the static comb. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) puffed rice (d) a steel spoon
32. 32.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
33. 33.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) water adds charge (d) damp air leaks charge
34. 34.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
35. 35.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) a mirror (d) dry hair
37. 37.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) nothing at all (d) the water stops
38. 38.🧺 Which of these is not needed for the static comb? (a) a balloon (b) turmeric powder (c) tiny paper bits (d) a plastic comb
39. 39.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a battery cell (d) dry hair
40. 40.True or false: dry hair does not move to a charged comb. (a) True (b) False

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