Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 773 · 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? True or false: number of rubs is what we measure. (a) True (b) False
2. 2.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) tiny paper bits (d) a balloon
4. 4.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it is a magnet (d) it has static charge
5. 5.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
6. 6.True or false: a battery cell is not needed for the static comb. (a) False (b) True
7. 7.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) static electricity (d) sunlight
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
9. 9.True or false: vinegar is not needed for the static comb. (a) True (b) False
10. 10.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) they turn wet (d) nothing happens
11. 11.⚖️ 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) distance to the paper
12. 12.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
13. 13.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
14. 14.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
15. 15.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
17. 17.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
18. 18.True or false: yeast is needed for the static comb. (a) False (b) True
19. 19.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) vinegar (d) a battery cell
20. 20.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) a steel spoon (d) a thin water stream
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a mirror
22. 22.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
23. 23.⚖️ 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 same comb (c) paper bits picked up
24. 24.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) a balloon (d) dry hair
25. 25.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) a magnet (d) a balloon
26. 26.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) a heavy book (d) puffed rice
27. 27.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) thermocol bits (c) a brick (d) a pebble
28. 28.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a thin water stream (d) a heavy book
29. 29.⚖️ 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 measure it (c) we change it
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) a battery cell
31. 31.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
32. 32.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) tiny paper bits (d) a pebble
33. 33.⚖️ 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
34. 34.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
35. 35.True or false: vinegar is needed for the static comb. (a) False (b) True
36. 36.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) dry hair (c) a pebble (d) a steel spoon
37. 37.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we keep it the same (c) we change it
39. 39.True or false: dry hair is not needed for the static comb. (a) False (b) True
40. 40.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed

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