Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 264 · 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.True or false: a brick does not move to a charged comb. (a) False (b) True
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) dry hair (d) a plastic comb
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
4. 4.🔮 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 turns into water (d) it bursts at once
5. 5.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
6. 6.⚖️ 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) paper bits picked up (c) the paper bit size (d) the same comb
7. 7.⚖️ 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
8. 8.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
9. 9.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) magnetism (d) static electricity
10. 10.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
11. 11.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
12. 12.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a magnet (c) tiny paper bits (d) a balloon
13. 13.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
14. 14.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
15. 15.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky
16. 16.⚡ Which of these does not move to a charged comb? (a) a pebble (b) puffed rice (c) dry hair (d) thermocol bits
17. 17.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) water adds charge (c) wet hair is magnetic (d) damp air leaks charge
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) paper bits picked up (b) number of rubs (c) distance to the paper (d) the same hair
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
20. 20.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
21. 21.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
23. 23.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn wet (d) they turn blue
24. 24.True or false: dry hair jumps to a charged comb. (a) True (b) False
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) vinegar (c) tiny paper bits (d) a plastic comb
26. 26.⚖️ 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) the same hair (c) paper bits picked up
27. 27.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
28. 28.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a steel spoon (d) a thin water stream
29. 29.🧺 Which of these is not needed for the static comb? (a) dry hair (b) yeast (c) tiny paper bits (d) a balloon
30. 30.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) a magnet (d) a balloon
31. 31.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
32. 32.⚖️ 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) False (b) True
33. 33.True or false: a balloon is needed for the static comb. (a) False (b) True
34. 34.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
35. 35.True or false: a brick jumps to a charged comb. (a) True (b) False
36. 36.🧺 Which of these is needed for the static comb? (a) a magnet (b) tiny paper bits (c) yeast (d) a mirror
37. 37.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) dry hair (d) a mirror
38. 38.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
39. 39.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) the stream bends (d) nothing at all
40. 40.True or false: a mirror is not needed for the static comb. (a) False (b) True

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