Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 494 · 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: a balloon is not needed for the static comb. (a) True (b) False
2. 2.⚡ 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
3. 3.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
4. 4.⚖️ 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) distance to the paper (c) the paper bit size (d) number of rubs
5. 5.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) the water stops (d) nothing at all
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) dry hair (d) a plastic comb
7. 7.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) a balloon (d) yeast
8. 8.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) puffed rice (d) dry hair
9. 9.🧺 Which of these is needed for the static comb? (a) a magnet (b) dry hair (c) yeast (d) turmeric powder
10. 10.⚖️ 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 change it (c) we measure it
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
12. 12.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) nothing happens (d) they turn wet
13. 13.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) dew (d) a rainbow
14. 14.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
15. 15.🛟 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
16. 16.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
17. 17.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
18. 18.⚖️ 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) the same hair
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) vinegar
20. 20.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) a magnet
22. 22.🛟 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
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
24. 24.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a balloon (c) tiny paper bits (d) dry hair
25. 25.True or false: dry hair is not needed for the static comb. (a) True (b) False
26. 26.🔮 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 turns into water (d) it falls straight down
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) False (b) True
28. 28.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
29. 29.True or false: a battery cell is not needed for the static comb. (a) True (b) False
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) number of rubs (c) paper bits picked up (d) distance to the paper
31. 31.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a brick (d) tiny paper bits
32. 32.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
33. 33.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
34. 34.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) sunlight (d) magnetism
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
36. 36.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
37. 37.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a thin water stream (d) a steel spoon
38. 38.⚖️ 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
39. 39.True or false: turmeric powder is needed for the static comb. (a) False (b) True
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False

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