Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 986 · 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 vinegar for the static comb? (a) not needed (b) needed
2. 2.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
3. 3.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) gravity (d) magnetism
4. 4.True or false: dry hair is needed for the static comb. (a) True (b) False
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
6. 6.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) a battery cell (d) dry hair
7. 7.True or false: a balloon is not needed for the static comb. (a) True (b) False
8. 8.⚖️ 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
9. 9.⚡ A rubbed comb is held near a thin water stream. 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) a balloon (b) tiny paper bits (c) a battery cell (d) dry hair
11. 11.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it turns into water (d) it falls straight down
12. 12.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
13. 13.⚖️ 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) True (b) False
14. 14.True or false: a mirror is needed for the static comb. (a) False (b) True
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) turmeric powder (c) dry hair (d) a balloon
16. 16.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
17. 17.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) turmeric powder (d) a plastic comb
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same comb (c) the paper bit size (d) paper bits picked up
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) vinegar (d) dry hair
20. 20.True or false: a heavy book jumps to a charged comb. (a) False (b) True
21. 21.⚖️ 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) paper bits picked up (c) the same hair (d) number of rubs
22. 22.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
23. 23.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) tiny paper bits (d) a heavy book
24. 24.⚖️ 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 keep it the same (c) we measure it
25. 25.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) they turn wet (d) nothing happens
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a magnet (d) a plastic comb
27. 27.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) nothing at all (d) the stream bends
28. 28.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a pebble (d) dry hair
29. 29.⚖️ 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) paper bits picked up (c) number of rubs
30. 30.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
31. 31.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
32. 32.True or false: dry hair is not needed for the static comb. (a) True (b) False
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
35. 35.True or false: yeast is needed for the static comb. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) dry hair (d) a brick
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) a plastic comb (d) a balloon
39. 39.True or false: vinegar is needed for the static comb. (a) True (b) False
40. 40.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it lights up (d) it works better

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