Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 838 · 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) dry hair (b) a mirror (c) vinegar (d) yeast
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a mirror (d) a balloon
3. 3.🔮 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 sticks for a while (d) it bursts at once
4. 4.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is hot (d) it is sticky
5. 5.⚖️ 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
6. 6.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the paper bit size (c) number of rubs (d) paper bits picked up
8. 8.True or false: a balloon is not needed for the static comb. (a) True (b) False
9. 9.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the same hair (c) the paper bit size (d) number of rubs
11. 11.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
12. 12.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a brick (c) thermocol bits (d) tiny paper bits
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) the same comb
14. 14.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a battery cell (c) tiny paper bits (d) a plastic comb
15. 15.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
16. 16.True or false: a heavy book jumps to a charged comb. (a) False (b) True
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) a balloon (d) dry hair
18. 18.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) the bits jump to it (d) nothing happens
19. 19.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
20. 20.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
21. 21.🧺 Which of these is needed for the static comb? (a) yeast (b) a balloon (c) a magnet (d) turmeric powder
22. 22.🛟 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
23. 23.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) thermocol bits (c) a brick (d) a pebble
24. 24.⚖️ 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
25. 25.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
26. 26.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a pebble (c) a brick (d) a heavy book
27. 27.True or false: yeast is needed for the static comb. (a) False (b) True
28. 28.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
29. 29.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the stream bends (d) the water stops
30. 30.🔍 Which is the odd one out? (a) dry hair (b) a brick (c) puffed rice (d) tiny paper bits
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) paper bits picked up (c) number of rubs
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) vinegar (d) a plastic comb
33. 33.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) vinegar (c) tiny paper bits (d) a balloon
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a balloon (c) a plastic comb (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 measure it (b) we keep it the same (c) we change it
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) a battery cell (d) tiny paper bits
37. 37.⚖️ 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
38. 38.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) static electricity (d) gravity
39. 39.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) thermocol bits (d) a heavy book
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False

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