Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 820 · 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? What do we do with “paper bits picked up”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.True or false: a pebble jumps to a charged comb. (a) True (b) False
3. 3.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it is sticky (d) it has static charge
4. 4.⚖️ 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 same comb (c) paper bits picked up (d) number of rubs
5. 5.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
6. 6.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
7. 7.⚖️ 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
8. 8.🔮 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
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) dry hair (d) a mirror
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) dry hair (d) a balloon
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
12. 12.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) a pebble (d) dry hair
13. 13.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
14. 14.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) the bits jump to it (d) they turn blue
15. 15.⚖️ 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
16. 16.🧺 Which of these is needed for the static comb? (a) vinegar (b) a battery cell (c) yeast (d) a plastic comb
17. 17.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) on a rooftop (d) in an open field
18. 18.🔮 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 water stops (d) the stream bends
19. 19.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
20. 20.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) dry hair (c) a steel spoon (d) a brick
21. 21.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
22. 22.⚖️ 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
23. 23.True or false: a pebble does not move to a charged comb. (a) True (b) False
24. 24.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a heavy book (d) tiny paper bits
25. 25.⚖️ 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 comb (d) the same hair
26. 26.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) thermocol bits
27. 27.True or false: vinegar is needed for the static comb. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) dry hair (d) a heavy book
29. 29.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) tiny paper bits (d) a heavy book
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
31. 31.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
32. 32.True or false: dry hair is not needed for the static comb. (a) False (b) True
33. 33.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
34. 34.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) dry hair (d) yeast
35. 35.⚖️ 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) number of rubs (c) paper bits picked up
36. 36.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) vinegar (d) tiny paper bits
37. 37.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) sunlight (d) gravity
38. 38.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
39. 39.True or false: a brick does not move to a charged comb. (a) True (b) False
40. 40.True or false: a plastic comb is needed for the static comb. (a) True (b) False

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