Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 323 · 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? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
2. 2.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) a mirror (d) dry hair
3. 3.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) tiny paper bits
4. 4.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a thin water stream (d) a heavy book
5. 5.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
6. 6.🧺 Which of these is not needed for the static comb? (a) a balloon (b) turmeric powder (c) a plastic comb (d) tiny paper bits
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) a plastic comb (d) tiny paper bits
8. 8.🔮 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
9. 9.🛟 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
10. 10.⚖️ 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
11. 11.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
12. 12.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
13. 13.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) thermocol bits (d) a steel spoon
14. 14.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
15. 15.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) turmeric powder (c) a magnet (d) vinegar
16. 16.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) vinegar (d) a balloon
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) vinegar
18. 18.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
19. 19.⚖️ 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
20. 20.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) yeast
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) distance to the paper (c) the same comb (d) the paper bit size
23. 23.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
24. 24.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) on a rooftop (d) in an open field
25. 25.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a battery cell (d) dry hair
26. 26.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) the same comb (c) the paper bit size (d) number of rubs
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
29. 29.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) a heavy book (d) thermocol bits
31. 31.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a steel spoon (c) a thin water stream (d) tiny paper bits
32. 32.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) they turn wet (d) the bits jump to it
33. 33.True or false: a heavy book jumps to a charged comb. (a) True (b) False
34. 34.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
35. 35.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a steel spoon (d) a brick
36. 36.True or false: puffed rice does not move to a charged comb. (a) False (b) True
37. 37.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) gravity (d) static electricity
38. 38.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
39. 39.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a brick (c) thermocol bits (d) puffed rice
40. 40.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) tiny paper bits (d) puffed rice

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