Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 758 · 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? Which of these is kept the same? (a) distance to the paper (b) number of rubs (c) paper bits picked up
2. 2.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
3. 3.⚖️ 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) distance to the paper (c) paper bits picked up (d) the same comb
4. 4.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) dry hair (d) a balloon
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) vinegar
7. 7.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) turmeric powder (d) a balloon
8. 8.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
9. 9.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) puffed rice (d) a thin water stream
10. 10.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a battery cell (c) a balloon (d) tiny paper bits
12. 12.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is sticky (d) it is hot
13. 13.🧺 Which of these is needed for the static comb? (a) dry hair (b) a mirror (c) a magnet (d) vinegar
14. 14.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
15. 15.⚖️ 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
16. 16.⚖️ 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
17. 17.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) a battery cell
18. 18.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water freezes (d) the water stops
19. 19.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) tiny paper bits (c) thermocol bits (d) dry hair
20. 20.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
21. 21.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it turns into water (d) it bursts at once
22. 22.⚖️ 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) False (b) True
23. 23.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
24. 24.True or false: a heavy book jumps to a charged comb. (a) True (b) False
25. 25.⚖️ 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) False (b) True
26. 26.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) the wind (d) a rainbow
27. 27.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a plastic comb (c) dry hair (d) tiny paper bits
28. 28.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
29. 29.True or false: yeast is not needed for the static comb. (a) False (b) True
30. 30.⚖️ 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) the paper bit size (c) paper bits picked up
31. 31.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
33. 33.True or false: a balloon is not needed for the static comb. (a) True (b) False
34. 34.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
35. 35.True or false: vinegar is not needed for the static comb. (a) False (b) True
36. 36.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
38. 38.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) tiny paper bits (d) a steel spoon
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a mirror (d) a balloon
40. 40.⚖️ 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

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