Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 625 · 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.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
3. 3.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
4. 4.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
6. 6.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
7. 7.⚖️ 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
8. 8.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
9. 9.⚖️ 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
10. 10.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) yeast
12. 12.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) a brick (d) dry hair
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) vinegar (d) tiny paper bits
15. 15.⚖️ 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) True (b) False
16. 16.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) turmeric powder
18. 18.🧺 Which of these is not needed for the static comb? (a) a balloon (b) yeast (c) a plastic comb (d) dry hair
19. 19.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
20. 20.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a steel spoon (d) a brick
21. 21.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) water adds charge (d) damp air leaks charge
22. 22.🧺 Which of these is needed for the static comb? (a) vinegar (b) a battery cell (c) a plastic comb (d) a mirror
23. 23.🔮 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
24. 24.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a pebble (d) dry hair
25. 25.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
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 plastic comb (d) a mirror
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) puffed rice (d) a heavy book
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 keep it the same (b) we measure it (c) we change it
30. 30.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
31. 31.⚖️ 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 hair (c) paper bits picked up (d) number of rubs
32. 32.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a thin water stream (c) a steel spoon (d) a brick
33. 33.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) sunlight (d) gravity
34. 34.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
36. 36.⚖️ 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
37. 37.⚡ Which of these does not move to a charged comb? (a) a brick (b) puffed rice (c) a thin water stream (d) thermocol bits
38. 38.⚖️ 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) the same hair (c) the same comb (d) number of rubs
39. 39.True or false: puffed rice does not move to a charged comb. (a) True (b) False
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False

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