Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 623 · 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: tiny paper bits jumps to a charged comb. (a) False (b) True
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) a plastic comb (d) tiny paper bits
3. 3.True or false: a magnet is needed for the static comb. (a) False (b) True
4. 4.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) vinegar
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) dry hair (d) a balloon
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) a balloon (d) a plastic comb
7. 7.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
9. 9.True or false: a heavy book jumps to a charged comb. (a) True (b) False
10. 10.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a steel spoon (d) a thin water stream
11. 11.True or false: yeast is not needed for the static comb. (a) False (b) True
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) paper bits picked up (c) the same hair (d) number of rubs
13. 13.🧺 Which of these is needed for the static comb? (a) dry hair (b) vinegar (c) turmeric powder (d) yeast
14. 14.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
15. 15.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it hardly works (d) it works better
16. 16.True or false: a heavy book does not move to a charged comb. (a) True (b) False
17. 17.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
18. 18.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a heavy book (c) puffed rice (d) a thin water stream
19. 19.True or false: a brick does not move to a charged comb. (a) True (b) False
20. 20.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it
21. 21.🧺 Which of these is needed for the static comb? (a) yeast (b) turmeric powder (c) a balloon (d) a battery cell
22. 22.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
23. 23.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a thin water stream (d) a steel spoon
24. 24.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) yeast (d) a plastic comb
25. 25.⚖️ 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) False (b) True
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) turmeric powder (d) dry hair
27. 27.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) tiny paper bits (d) a heavy book
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
29. 29.True or false: a plastic comb is needed for the static comb. (a) False (b) True
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
32. 32.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a pebble (d) tiny paper bits
34. 34.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) turmeric powder (c) a battery cell (d) a magnet
35. 35.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) tiny paper bits (d) a pebble
36. 36.⚖️ 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
37. 37.🔮 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
38. 38.True or false: a battery cell is not needed for the static comb. (a) True (b) False
39. 39.True or false: turmeric powder is needed for the static comb. (a) True (b) False
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) distance to the paper

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