Static Electricity Experiment Worksheet

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

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