Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 665 · 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 balloon for the static comb? (a) needed (b) not needed
2. 2.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
3. 3.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) dry hair (d) yeast
4. 4.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
5. 5.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a thin water stream (c) a heavy book (d) a brick
6. 6.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a battery cell (c) tiny paper bits (d) dry hair
7. 7.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
8. 8.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
9. 9.True or false: turmeric powder is needed for the static comb. (a) True (b) False
10. 10.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) yeast (d) a plastic comb
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
12. 12.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) thermocol bits (c) tiny paper bits (d) puffed rice
13. 13.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
14. 14.⚖️ 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) distance to the paper (d) paper bits picked up
15. 15.True or false: a pebble jumps to a charged comb. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) thermocol bits (d) dry hair
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) False (b) True
18. 18.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
19. 19.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) dry days are noisy (d) damp air leaks charge
20. 20.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
21. 21.🧺 Which of these is needed for the static comb? (a) dry hair (b) yeast (c) vinegar (d) turmeric powder
22. 22.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) tiny paper bits (c) puffed rice (d) a thin water stream
23. 23.🔮 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 falls straight down (d) it sticks for a while
24. 24.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a pebble (c) puffed rice (d) a thin water stream
25. 25.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
26. 26.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a pebble (d) thermocol bits
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) distance to the paper (c) number of rubs (d) the same hair
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) False (b) True
29. 29.⚖️ 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
30. 30.True or false: dry hair is not 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 “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
32. 32.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
33. 33.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it works better (d) it lights up
34. 34.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) indoors (d) on a rooftop
35. 35.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
36. 36.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) turmeric powder (d) a plastic comb
37. 37.True or false: a battery cell is needed for the static comb. (a) False (b) True
38. 38.True or false: dry hair jumps to a charged comb. (a) True (b) False
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) number of rubs (c) paper bits picked up

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