Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 83 · 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 is the odd one out? (a) dry hair (b) thermocol bits (c) tiny paper bits (d) a brick
2. 2.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) puffed rice (d) a pebble
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we measure it (c) we keep it the same
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) vinegar
5. 5.🔮 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
6. 6.True or false: a battery cell is not needed for the static comb. (a) True (b) False
7. 7.True or false: turmeric powder is needed for the static comb. (a) False (b) True
8. 8.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
9. 9.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
10. 10.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
11. 11.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a balloon (d) turmeric powder
13. 13.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) a balloon (d) yeast
14. 14.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) tiny paper bits (d) a heavy book
15. 15.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a pebble (d) thermocol bits
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) number of rubs (c) paper bits picked up (d) distance to the paper
17. 17.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) magnetism (d) sunlight
18. 18.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) tiny paper bits (d) a magnet
19. 19.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) yeast
21. 21.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a brick (c) a pebble (d) a steel spoon
22. 22.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) tiny paper bits (d) a steel spoon
23. 23.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) a plastic comb (d) tiny paper bits
25. 25.⚖️ 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) number of rubs (c) distance to the paper (d) the same hair
26. 26.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) they turn wet (d) the bits jump to it
27. 27.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
28. 28.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
29. 29.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
30. 30.True or false: yeast is not needed for the static comb. (a) True (b) False
31. 31.True or false: puffed rice jumps to a charged comb. (a) False (b) True
32. 32.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) a pebble (d) tiny paper bits
33. 33.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) vinegar
34. 34.True or false: a plastic comb is needed for the static comb. (a) True (b) False
35. 35.⚖️ 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
36. 36.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
37. 37.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
38. 38.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it sticks for a while (c) it falls straight down (d) it bursts at once
39. 39.True or false: dry hair does not move to a charged comb. (a) False (b) True
40. 40.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a heavy book (c) a thin water stream (d) dry hair

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