Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 588 · 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? True or false: paper bits picked up is the one thing we change. (a) True (b) False
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
3. 3.🛟 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) plug points at home (d) a rubbed balloon
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the paper bit size (c) distance to the paper (d) paper bits picked up
5. 5.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a battery cell (d) a balloon
7. 7.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
8. 8.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) dry hair (d) tiny paper bits
10. 10.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) tiny paper bits (d) a plastic comb
12. 12.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
13. 13.⚡ 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 blue (d) they turn wet
14. 14.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
15. 15.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) vinegar (c) a balloon (d) a plastic comb
16. 16.⚖️ 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) the same comb (c) distance to the paper (d) paper bits picked up
17. 17.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) static electricity (d) magnetism
18. 18.True or false: dry hair does not move to a charged comb. (a) True (b) False
19. 19.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) puffed rice (d) a heavy book
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) yeast (d) dry hair
21. 21.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it becomes a magnet (d) it works better
22. 22.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
23. 23.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the stream bends (d) the water stops
24. 24.⚖️ 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
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) dry hair (d) a magnet
26. 26.True or false: turmeric powder is needed for the static comb. (a) False (b) True
27. 27.True or false: puffed rice jumps to a charged comb. (a) True (b) False
28. 28.True or false: dry hair is not needed for the static comb. (a) False (b) True
29. 29.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) a magnet (d) dry hair
30. 30.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
31. 31.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a balloon (c) vinegar (d) a magnet
32. 32.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
33. 33.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) thermocol bits (c) a brick (d) a pebble
34. 34.⚖️ 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
35. 35.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
36. 36.🧺 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
37. 37.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
39. 39.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
40. 40.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) yeast (c) turmeric powder (d) vinegar

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