Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 471 · 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 keep it the same (b) we measure it (c) we change it
2. 2.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) a rubbed balloon (d) plug points at home
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same hair (c) paper bits picked up (d) number of rubs
5. 5.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
6. 6.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) puffed rice (d) a brick
7. 7.🔮 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
8. 8.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) yeast (d) dry hair
9. 9.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
11. 11.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a heavy book (d) tiny paper bits
12. 12.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) dry hair (d) a magnet
13. 13.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
14. 14.⚖️ 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) distance to the paper (c) number of rubs
15. 15.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
16. 16.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a plastic comb (c) dry hair (d) a balloon
18. 18.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) magnetism (d) static electricity
19. 19.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a heavy book (d) a thin water stream
20. 20.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it turns into water (d) it falls straight down
21. 21.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the same comb (c) number of rubs (d) distance to the paper
23. 23.⚖️ 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 change it (c) we measure it
24. 24.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
26. 26.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a balloon (c) a plastic comb (d) dry hair
28. 28.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a heavy book (c) a pebble (d) a brick
29. 29.True or false: a pebble does not move to a charged comb. (a) False (b) True
30. 30.True or false: a mirror is not needed for the static comb. (a) True (b) False
31. 31.True or false: a balloon is needed for the static comb. (a) True (b) False
32. 32.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it becomes a magnet (d) it hardly works
33. 33.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
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 change it (b) we measure it (c) we keep it the same
36. 36.🧺 Which of these is needed for the static comb? (a) a mirror (b) yeast (c) turmeric powder (d) a balloon
37. 37.⚡ Which of these jumps to a charged comb? (a) a pebble (b) thermocol bits (c) a steel spoon (d) a heavy book
38. 38.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) puffed rice (d) a steel spoon
39. 39.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
40. 40.⚖️ 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

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