Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 816 · 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: turmeric powder is not needed for the static comb. (a) False (b) True
2. 2.True or false: dry hair is not needed for the static comb. (a) True (b) False
3. 3.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) a battery cell (d) a plastic comb
4. 4.🛟 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
5. 5.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it turns into water (d) it bursts at once
6. 6.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) turmeric powder (c) tiny paper bits (d) a balloon
7. 7.⚖️ 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
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) tiny paper bits (c) a balloon (d) a plastic comb
9. 9.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) vinegar (d) tiny paper bits
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.True or false: a heavy book does not move to a charged comb. (a) False (b) True
13. 13.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) a magnet
15. 15.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a brick (d) a thin water stream
16. 16.🧺 Which of these is needed for the static comb? (a) a balloon (b) a mirror (c) vinegar (d) turmeric powder
17. 17.True or false: a magnet is needed for the static comb. (a) True (b) False
18. 18.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
19. 19.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
20. 20.⚖️ 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
21. 21.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
22. 22.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it works better (d) it becomes a magnet
23. 23.🧺 Which of these is needed for the static comb? (a) dry hair (b) yeast (c) a battery cell (d) a magnet
24. 24.True or false: a magnet is not needed for the static comb. (a) False (b) True
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
26. 26.True or false: a balloon is not needed for the static comb. (a) True (b) False
27. 27.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) puffed rice (d) a pebble
28. 28.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
29. 29.⚖️ 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) the same hair (c) number of rubs (d) distance to the paper
30. 30.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) vinegar (d) tiny paper bits
32. 32.True or false: dry hair does not move to a charged comb. (a) False (b) True
33. 33.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
34. 34.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a steel spoon (c) tiny paper bits (d) a thin water stream
35. 35.⚖️ 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
36. 36.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a heavy book (d) a steel spoon
37. 37.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) under a tall tree (d) on a rooftop
38. 38.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
39. 39.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
40. 40.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) a pebble (d) a steel spoon

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