Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 419 · 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: thermocol bits does not move to a charged comb. (a) True (b) False
2. 2.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a steel spoon (d) thermocol bits
4. 4.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) yeast
5. 5.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) puffed rice (d) a pebble
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same hair (c) paper bits picked up (d) the paper bit size
7. 7.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) turmeric powder (d) tiny paper bits
8. 8.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) dry hair (c) vinegar (d) a mirror
9. 9.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) a brick (d) a steel spoon
10. 10.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a magnet (d) a plastic comb
14. 14.⚡ Which of these jumps to a charged comb? (a) a pebble (b) dry hair (c) a steel spoon (d) a brick
15. 15.⚖️ 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) the paper bit size
16. 16.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it sticks for a while (d) it bursts at once
17. 17.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
18. 18.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
19. 19.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) dry hair (d) a balloon
20. 20.🛟 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 balloon (d) a rubbed plastic comb
21. 21.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
22. 22.True or false: vinegar is needed for the static comb. (a) False (b) True
23. 23.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
24. 24.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a plastic comb (c) dry hair (d) tiny paper bits
25. 25.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
26. 26.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) yeast (d) a mirror
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
28. 28.True or false: dry hair jumps to a charged comb. (a) False (b) True
29. 29.🧺 Which of these is not needed for the static comb? (a) dry hair (b) turmeric powder (c) a plastic comb (d) a balloon
30. 30.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) magnetism (d) static electricity
31. 31.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a steel spoon (d) a brick
32. 32.⚖️ 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
33. 33.⚖️ 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) the same hair
34. 34.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
35. 35.True or false: a balloon is not needed for the static comb. (a) False (b) True
36. 36.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) tiny paper bits (d) a steel spoon
37. 37.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) thermocol bits (d) a brick
38. 38.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
39. 39.⚖️ 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
40. 40.True or false: a battery cell is needed for the static comb. (a) False (b) True

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