Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 287 · 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.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
2. 2.True or false: a magnet is not needed for the static comb. (a) False (b) True
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) dry hair (d) a plastic comb
4. 4.True or false: a battery cell is not needed for the static comb. (a) True (b) False
5. 5.True or false: turmeric powder is needed for the static comb. (a) False (b) True
6. 6.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water freezes (d) the water stops
7. 7.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
8. 8.True or false: a brick does not move to a charged comb. (a) True (b) False
9. 9.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) in an open field (d) on a rooftop
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
11. 11.⚖️ 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
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we change it (c) we measure it
13. 13.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) a rubbed balloon (d) plug points at home
14. 14.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
15. 15.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) static electricity (d) magnetism
16. 16.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) a mirror (d) dry hair
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) turmeric powder
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
19. 19.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a steel spoon (d) tiny paper bits
20. 20.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
21. 21.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
23. 23.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) puffed rice (d) a pebble
24. 24.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
25. 25.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) yeast (d) a balloon
26. 26.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
27. 27.⚖️ 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) distance to the paper (c) the paper bit size (d) number of rubs
28. 28.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn wet (d) they turn blue
29. 29.⚡ Which of these does not move to a charged comb? (a) a brick (b) dry hair (c) thermocol bits (d) puffed rice
30. 30.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) puffed rice (d) a pebble
31. 31.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
32. 32.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) lightning (d) the wind
33. 33.🧺 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
34. 34.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
35. 35.⚖️ 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
36. 36.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a pebble (c) a thin water stream (d) thermocol bits
37. 37.⚖️ 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) distance to the paper (c) the same hair (d) the same comb
38. 38.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky
39. 39.⚖️ 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) True (b) False
40. 40.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move

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