Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 772 · 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 jumps to a charged comb? (a) a thin water stream (b) a pebble (c) a steel spoon (d) a heavy book
2. 2.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a steel spoon (d) puffed rice
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the paper bit size (c) number of rubs (d) paper bits picked up
4. 4.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
5. 5.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
6. 6.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a plastic comb (c) a balloon (d) dry hair
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a plastic comb (c) dry hair (d) a balloon
8. 8.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a pebble (c) a brick (d) a heavy book
9. 9.🔮 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 stops (d) the water freezes
10. 10.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) a heavy book (d) tiny paper bits
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) turmeric powder (d) a plastic comb
12. 12.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a heavy book (d) dry hair
13. 13.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it bursts at once (d) it falls straight down
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a mirror
15. 15.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
16. 16.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) lightning (d) dew
17. 17.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
18. 18.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
19. 19.🧺 Which of these is needed for the static comb? (a) dry hair (b) turmeric powder (c) a mirror (d) vinegar
20. 20.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) True (b) False
22. 22.True or false: yeast is not needed for the static comb. (a) True (b) False
23. 23.True or false: dry hair jumps to a charged comb. (a) False (b) True
24. 24.True or false: yeast is needed for the static comb. (a) True (b) False
25. 25.True or false: a magnet is not needed for the static comb. (a) False (b) True
26. 26.True or false: turmeric powder is needed for the static comb. (a) True (b) False
27. 27.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) vinegar (d) a plastic comb
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
29. 29.True or false: dry hair does not move to a charged comb. (a) True (b) False
30. 30.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it lights up (d) it becomes a magnet
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same comb (c) distance to the paper (d) the paper bit size
32. 32.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
33. 33.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) puffed rice (c) tiny paper bits (d) thermocol bits
34. 34.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a brick (d) a pebble
35. 35.⚖️ 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
36. 36.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
37. 37.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
38. 38.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
39. 39.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
40. 40.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb

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