Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 527 · 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.⚖️ 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
2. 2.True or false: a heavy book jumps to a charged comb. (a) False (b) True
3. 3.True or false: yeast is needed for the static comb. (a) False (b) True
4. 4.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it turns into water (d) it sticks for a while
5. 5.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) dry hair (d) yeast
6. 6.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) a mirror (d) a plastic comb
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
8. 8.⚡ A rubbed comb is held near a heavy book. 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? Which of these is the one thing we change? (a) the paper bit size (b) the same hair (c) distance to the paper (d) number of rubs
10. 10.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a brick (d) tiny paper bits
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
12. 12.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) static electricity (d) magnetism
13. 13.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
14. 14.⚖️ 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
15. 15.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it lights up (d) it becomes a magnet
16. 16.⚖️ 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) True (b) False
17. 17.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
18. 18.🧺 Which of these is not needed for the static comb? (a) vinegar (b) dry hair (c) a balloon (d) a plastic comb
19. 19.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
20. 20.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
21. 21.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it is hot (d) it has static charge
22. 22.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the same comb (c) the same hair (d) number of rubs
24. 24.⚖️ 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
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a balloon (c) dry hair (d) tiny paper bits
26. 26.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) the bits jump to it (d) they turn blue
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) vinegar
28. 28.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) a brick (d) puffed rice
29. 29.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
30. 30.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) tiny paper bits (c) dry hair (d) a thin water stream
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a battery cell (d) a balloon
33. 33.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
34. 34.True or false: a pebble does not move to a charged comb. (a) False (b) True
35. 35.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
36. 36.True or false: dry hair does not move to a charged comb. (a) True (b) False
37. 37.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
38. 38.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
39. 39.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
40. 40.True or false: turmeric powder is not needed for the static comb. (a) False (b) True

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