Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 950 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) yeast (d) a plastic comb
2. 2.⚖️ 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) True (b) False
3. 3.⚖️ 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 change it (c) we keep it the same
4. 4.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) yeast (d) turmeric powder
5. 5.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) nothing happens (d) they turn blue
6. 6.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it turns into water (d) it bursts at once
7. 7.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
8. 8.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
9. 9.True or false: yeast is needed for the static comb. (a) True (b) False
10. 10.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
12. 12.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) tiny paper bits (d) a pebble
13. 13.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) indoors (d) in an open field
14. 14.True or false: a plastic comb is needed for the static comb. (a) False (b) True
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) a balloon (d) dry hair
16. 16.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is sticky (d) it is a magnet
17. 17.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) plug points at home (d) a rubbed plastic comb
18. 18.⚡ Which of these does not move to a charged comb? (a) a pebble (b) thermocol bits (c) tiny paper bits (d) a thin water stream
19. 19.⚖️ 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
20. 20.⚖️ 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 measure it (c) we change it
21. 21.True or false: a balloon is needed for the static comb. (a) False (b) True
22. 22.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) a balloon (d) a magnet
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) a plastic comb (d) tiny paper bits
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a magnet
25. 25.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it lights up (d) it hardly works
26. 26.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
27. 27.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a mirror (c) tiny paper bits (d) a balloon
28. 28.⚖️ 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 change it (c) we keep it the same
29. 29.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) a heavy book (b) thermocol bits (c) a thin water stream (d) dry hair
31. 31.⚖️ 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
32. 32.🧺 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
33. 33.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the stream bends (d) the water freezes
34. 34.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
35. 35.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) vinegar (d) tiny paper bits
36. 36.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) turmeric powder (d) tiny paper bits
37. 37.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
38. 38.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
39. 39.🔍 Which is the odd one out? (a) dry hair (b) a steel spoon (c) a heavy book (d) a pebble
40. 40.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) sunlight (d) static electricity

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