Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 958 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) vinegar (d) tiny paper bits
2. 2.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
3. 3.⚖️ 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
4. 4.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) thermocol bits (d) tiny paper bits
5. 5.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
6. 6.True or false: yeast is needed for the static comb. (a) True (b) False
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
8. 8.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
9. 9.⚖️ 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) False (b) True
10. 10.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
11. 11.⚖️ 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
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
13. 13.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
14. 14.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) tiny paper bits (c) thermocol bits (d) dry hair
15. 15.True or false: a mirror is needed for the static comb. (a) False (b) True
16. 16.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) water adds charge (d) damp air leaks charge
17. 17.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) yeast (d) a plastic comb
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) distance to the paper (c) number of rubs
19. 19.⚖️ 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 change it (c) we keep it the same
20. 20.⚖️ 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
21. 21.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water freezes (d) the water stops
22. 22.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed balloon (c) paper bits on a comb (d) a rubbed plastic comb
23. 23.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) magnetism (d) sunlight
24. 24.⚖️ 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) distance to the paper (c) the same comb (d) paper bits picked up
25. 25.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it bursts at once (d) it turns into water
26. 26.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
27. 27.🧺 Which of these is not needed for the static comb? (a) vinegar (b) a balloon (c) tiny paper bits (d) a plastic comb
28. 28.🧺 Which of these is needed for the static comb? (a) yeast (b) a plastic comb (c) a mirror (d) a magnet
29. 29.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) vinegar (d) dry hair
30. 30.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) dry hair (d) a balloon
32. 32.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) tiny paper bits (d) a brick
33. 33.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
34. 34.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) thermocol bits (d) dry hair
35. 35.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
36. 36.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) a brick (d) thermocol bits
37. 37.⚡ Which of these does not move to a charged comb? (a) a brick (b) a thin water stream (c) tiny paper bits (d) puffed rice
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) a plastic comb (d) dry hair
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 hair (b) paper bits picked up (c) number of rubs

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