Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 433 · 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.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a steel spoon (d) a thin water stream
2. 2.True or false: dry hair does not move to a charged comb. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) a brick (d) thermocol bits
4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
5. 5.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a mirror (d) dry hair
7. 7.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) thermocol bits (c) a thin water stream (d) tiny paper bits
8. 8.⚖️ 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) number of rubs (c) the paper bit size (d) paper bits picked up
9. 9.⚖️ 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
10. 10.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
11. 11.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) yeast (c) a mirror (d) a plastic comb
12. 12.⚡ 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
13. 13.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) dry hair (d) a pebble
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we keep it the same (c) we change it
15. 15.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) damp air leaks charge (d) dry days are noisy
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) yeast (d) tiny paper bits
17. 17.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a pebble (d) dry hair
18. 18.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) yeast (d) tiny paper bits
19. 19.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) the water stops (d) nothing at all
20. 20.🧺 Which of these is needed for the static comb? (a) a magnet (b) a balloon (c) yeast (d) turmeric powder
21. 21.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) number of rubs (c) the same hair (d) paper bits picked up
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
25. 25.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
26. 26.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
27. 27.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) lightning (d) a rainbow
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) dry hair (c) a plastic comb (d) tiny paper bits
29. 29.True or false: dry hair is needed for the static comb. (a) True (b) False
30. 30.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) tiny paper bits (d) a heavy book
31. 31.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) thermocol bits (d) a pebble
32. 32.⚖️ 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 keep it the same (c) we measure it
33. 33.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
34. 34.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a heavy book (d) puffed rice
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
36. 36.⚖️ 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
37. 37.True or false: a magnet is needed for the static comb. (a) True (b) False
38. 38.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
39. 39.🔮 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
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) a plastic comb (d) a balloon

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