Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 133 · 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 of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) a mirror (d) a plastic comb
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) paper bits picked up (c) the same hair (d) the paper bit size
4. 4.True or false: dry hair is not needed for the static comb. (a) True (b) False
5. 5.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) a heavy book (d) a pebble
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) vinegar (d) a plastic comb
7. 7.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
8. 8.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
9. 9.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) they turn wet (d) the bits jump to it
10. 10.⚡ Which of these does not move to a charged comb? (a) a brick (b) puffed rice (c) thermocol bits (d) a thin water stream
11. 11.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
12. 12.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a balloon (d) a battery cell
13. 13.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a thin water stream (d) a pebble
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) a balloon (d) dry hair
15. 15.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) nothing at all (d) the water stops
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) a magnet
17. 17.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) puffed rice (d) a thin water stream
18. 18.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
19. 19.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
20. 20.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) a thin water stream (c) puffed rice (d) thermocol bits
21. 21.⚖️ 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
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same comb (c) distance to the paper (d) paper bits picked up
23. 23.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
24. 24.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) dry hair (d) a steel spoon
25. 25.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) dew (d) a rainbow
26. 26.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
27. 27.True or false: turmeric powder is needed for the static comb. (a) True (b) False
28. 28.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
29. 29.True or false: a balloon is not needed for the static comb. (a) False (b) True
30. 30.True or false: a balloon is needed for the static comb. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a heavy book (d) puffed rice
32. 32.⚖️ 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
33. 33.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
34. 34.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) damp air leaks charge (d) water adds charge
35. 35.⚖️ 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
36. 36.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
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.🔮 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
39. 39.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a mirror
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a battery cell (d) dry hair

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