Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 562 · 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.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) sunlight (d) magnetism
2. 2.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) wet hair is magnetic (d) dry days are noisy
3. 3.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
4. 4.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
5. 5.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
6. 6.⚡ 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
7. 7.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
8. 8.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
9. 9.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) a battery cell (d) a plastic comb
10. 10.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
11. 11.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
12. 12.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) yeast (d) tiny paper bits
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) vinegar
15. 15.⚖️ 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) paper bits picked up (c) distance to the paper
16. 16.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
17. 17.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) a balloon (d) a magnet
18. 18.⚖️ 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
19. 19.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) lightning (d) the wind
20. 20.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) nothing happens (d) they turn blue
21. 21.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
22. 22.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) thermocol bits (d) dry hair
23. 23.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
24. 24.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
25. 25.True or false: turmeric powder is needed for the static comb. (a) True (b) False
26. 26.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a pebble (d) a thin water stream
27. 27.⚖️ 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) number of rubs (d) the paper bit size
28. 28.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a battery cell (c) tiny paper bits (d) a balloon
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
30. 30.⚖️ 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) False (b) True
31. 31.True or false: dry hair jumps to a charged comb. (a) False (b) True
32. 32.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
33. 33.True or false: a balloon is not needed for the static comb. (a) False (b) True
34. 34.🧺 Which of these is not needed for the static comb? (a) vinegar (b) a plastic comb (c) a balloon (d) tiny paper bits
35. 35.⚖️ 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 keep it the same (c) we measure it
36. 36.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a pebble (d) a brick
37. 37.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
38. 38.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it falls straight down (d) it turns into water
39. 39.🧺 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
40. 40.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a heavy book (c) a steel spoon (d) a brick

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