Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 548 · 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.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a plastic comb (c) dry hair (d) a balloon
3. 3.⚡ 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
4. 4.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) tiny paper bits (d) a pebble
5. 5.⚖️ 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 comb
6. 6.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
7. 7.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed balloon (d) a rubbed plastic comb
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
9. 9.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a magnet (c) dry hair (d) a balloon
11. 11.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) a plastic comb (d) yeast
12. 12.⚖️ 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
13. 13.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) on a rooftop (d) in an open field
14. 14.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it has static charge (d) it is sticky
15. 15.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
16. 16.True or false: a balloon is needed for the static comb. (a) True (b) False
17. 17.🧺 Which of these is needed for the static comb? (a) vinegar (b) dry hair (c) a magnet (d) a mirror
18. 18.⚖️ 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) number of rubs (d) paper bits picked up
19. 19.🔮 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
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
21. 21.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) tiny paper bits (c) a plastic comb (d) dry hair
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) paper bits picked up (c) number of rubs
24. 24.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a battery cell (c) a plastic comb (d) a balloon
25. 25.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
26. 26.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
27. 27.⚖️ 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
28. 28.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) dry hair (d) a pebble
29. 29.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
30. 30.True or false: turmeric powder is needed for the static comb. (a) False (b) True
31. 31.⚖️ 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 keep it the same (c) we measure it
32. 32.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) vinegar (c) a battery cell (d) a mirror
33. 33.⚖️ 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
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
35. 35.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a magnet
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
37. 37.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
38. 38.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) turmeric powder (c) a balloon (d) tiny paper bits
39. 39.⚖️ 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) distance to the paper
40. 40.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) a brick (d) tiny paper bits

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