Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 488 · 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? Which of these is what we measure? (a) distance to the paper (b) the paper bit size (c) paper bits picked up (d) the same comb
2. 2.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
3. 3.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it has static charge (d) it is hot
4. 4.⚖️ 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
5. 5.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
6. 6.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
7. 7.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
8. 8.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it falls straight down (d) it sticks for a while
9. 9.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
10. 10.True or false: a balloon is needed for the static comb. (a) False (b) True
11. 11.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
12. 12.⚡ Which of these jumps to a charged comb? (a) a pebble (b) tiny paper bits (c) a heavy book (d) a steel spoon
13. 13.⚖️ 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
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) a plastic comb
15. 15.🧺 Which of these is needed for the static comb? (a) a magnet (b) tiny paper bits (c) a mirror (d) yeast
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) dry hair (d) a plastic comb
17. 17.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a mirror (c) dry hair (d) tiny paper bits
18. 18.⚡ 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 blue (d) they turn wet
19. 19.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) thermocol bits (d) a heavy book
20. 20.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) plug points at home (d) a rubbed plastic comb
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) a plastic comb (d) dry hair
22. 22.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a thin water stream (d) a pebble
23. 23.⚖️ 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) the paper bit size (c) number of rubs (d) the same hair
24. 24.⚖️ 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
25. 25.True or false: a mirror is needed for the static comb. (a) False (b) True
26. 26.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
27. 27.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a heavy book (c) a thin water stream (d) dry hair
28. 28.True or false: turmeric powder is needed for the static comb. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) thermocol bits (d) a steel spoon
30. 30.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
31. 31.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
33. 33.True or false: yeast is not needed for the static comb. (a) False (b) True
34. 34.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
35. 35.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
36. 36.🔮 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
37. 37.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
38. 38.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
39. 39.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) gravity (d) magnetism
40. 40.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a pebble (c) dry hair (d) a thin water stream

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