Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 597 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
3. 3.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a balloon (d) a magnet
4. 4.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
6. 6.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
7. 7.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a pebble (d) dry hair
8. 8.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) a magnet (d) a balloon
9. 9.⚖️ 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) the paper bit size (c) the same hair (d) number of rubs
10. 10.⚖️ 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 measure it (c) we change it
11. 11.🧺 Which of these is needed for the static comb? (a) dry hair (b) a battery cell (c) turmeric powder (d) a mirror
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) vinegar (d) a balloon
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) a balloon
14. 14.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
15. 15.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
16. 16.True or false: dry hair is needed for the static comb. (a) False (b) True
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a battery cell (d) a plastic comb
18. 18.⚖️ 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
19. 19.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) number of rubs (c) the paper bit size (d) paper bits picked up
21. 21.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it sticks for a while (d) it turns into water
22. 22.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
23. 23.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a battery cell (c) yeast (d) vinegar
24. 24.⚖️ 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
25. 25.⚖️ 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
26. 26.True or false: puffed rice does not move to a charged comb. (a) False (b) True
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
28. 28.⚖️ 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 measure it (c) we change it
29. 29.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a steel spoon
30. 30.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
31. 31.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) wet hair is magnetic (c) water adds charge (d) dry days are noisy
32. 32.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a brick (d) tiny paper bits
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) yeast
34. 34.True or false: a heavy book does not move to a charged comb. (a) True (b) False
35. 35.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
36. 36.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) a brick (d) a pebble
37. 37.True or false: a mirror is needed for the static comb. (a) True (b) False
38. 38.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) turmeric powder (d) a plastic comb
39. 39.⚡ Which of these does not move to a charged comb? (a) a brick (b) tiny paper bits (c) a thin water stream (d) puffed rice
40. 40.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a heavy book (d) dry hair

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