Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 868 · 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 big natural spark is caused by static electricity? (a) the wind (b) dew (c) lightning (d) a rainbow
2. 2.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) tiny paper bits (d) vinegar
3. 3.⚖️ 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) number of rubs (c) the same hair (d) the paper bit size
4. 4.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a balloon (d) a plastic comb
6. 6.⚡ 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
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the paper bit size (c) the same comb (d) distance to the paper
8. 8.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
9. 9.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a steel spoon (c) dry hair (d) thermocol bits
10. 10.⚖️ 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) paper bits picked up (c) the same hair
11. 11.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a steel spoon (c) a brick (d) a pebble
12. 12.⚖️ 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
13. 13.⚖️ 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
14. 14.🧺 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
15. 15.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) in an open field (d) on a rooftop
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a magnet (d) dry hair
17. 17.🧺 Which of these is needed for the static comb? (a) dry hair (b) turmeric powder (c) a mirror (d) a magnet
18. 18.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
20. 20.⚖️ 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
21. 21.True or false: dry hair does not move to a charged comb. (a) True (b) False
22. 22.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
23. 23.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) a plastic comb (d) vinegar
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
25. 25.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
26. 26.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) a balloon (c) tiny paper bits (d) dry hair
27. 27.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
28. 28.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) dry hair (d) thermocol bits
29. 29.True or false: a magnet is needed for the static comb. (a) False (b) True
30. 30.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
31. 31.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) dry hair (d) a heavy book
32. 32.True or false: puffed rice does not move to a charged comb. (a) True (b) False
33. 33.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
34. 34.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
35. 35.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it works better (d) it becomes a magnet
36. 36.🔮 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
37. 37.⚖️ 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
38. 38.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a pebble (c) puffed rice (d) thermocol bits
39. 39.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a heavy book (d) a thin water stream
40. 40.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) dry days are noisy (d) damp air leaks charge

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