Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 540 · 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.🧺 Which of these is not needed for the static comb? (a) yeast (b) tiny paper bits (c) a plastic comb (d) a balloon
2. 2.⚖️ 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
3. 3.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) static electricity (d) sunlight
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) tiny paper bits (c) a balloon (d) dry hair
5. 5.🔮 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
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
7. 7.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it hardly works (d) it lights up
8. 8.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
9. 9.⚖️ 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
10. 10.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) a heavy book (d) a pebble
12. 12.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
13. 13.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
14. 14.⚖️ 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
15. 15.True or false: turmeric powder is needed for the static comb. (a) True (b) False
16. 16.⚖️ 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
17. 17.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) dry hair (d) a balloon
18. 18.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
19. 19.🛟 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
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a magnet (d) dry hair
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) dry hair (d) tiny paper bits
22. 22.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a heavy book (c) a brick (d) a steel spoon
23. 23.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) a pebble (d) puffed rice
24. 24.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
25. 25.⚖️ 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
26. 26.True or false: dry hair is not needed for the static comb. (a) False (b) True
27. 27.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) tiny paper bits (d) a pebble
28. 28.True or false: a heavy book does not move to a charged comb. (a) False (b) True
29. 29.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is a magnet (d) it is sticky
30. 30.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) tiny paper bits (d) thermocol bits
31. 31.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
32. 32.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) a pebble (d) tiny paper bits
33. 33.True or false: a plastic comb is needed for the static comb. (a) False (b) True
34. 34.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
35. 35.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
36. 36.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a heavy book (d) tiny paper bits
37. 37.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
38. 38.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) a rainbow (d) dew
39. 39.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) tiny paper bits (d) a brick
40. 40.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a plastic comb (c) a balloon (d) dry hair

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