Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 745 · 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.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
2. 2.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) a thin water stream (d) puffed rice
3. 3.🧺 Which of these is needed for the static comb? (a) a magnet (b) a balloon (c) a battery cell (d) vinegar
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) vinegar (c) a plastic comb (d) a balloon
7. 7.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) vinegar (c) a balloon (d) tiny paper bits
8. 8.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
9. 9.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) they turn wet (d) nothing happens
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a mirror (d) a balloon
11. 11.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
12. 12.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
13. 13.True or false: dry hair jumps to a charged comb. (a) False (b) True
14. 14.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
15. 15.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same comb (c) paper bits picked up (d) the paper bit size
17. 17.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
18. 18.True or false: a heavy book does not move to a charged comb. (a) False (b) True
19. 19.⚖️ 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
20. 20.⚖️ 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
21. 21.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
23. 23.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) turmeric powder
24. 24.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it turns into water (d) it falls straight down
25. 25.True or false: a plastic comb is needed for the static comb. (a) True (b) False
26. 26.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
27. 27.True or false: vinegar is needed for the static comb. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) puffed rice (b) a brick (c) a heavy book (d) a pebble
29. 29.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) a magnet (d) yeast
30. 30.🧺 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) turmeric powder
31. 31.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a heavy book (d) puffed rice
32. 32.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a mirror (c) yeast (d) a magnet
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the same comb (c) the same hair (d) number of rubs
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) a plastic comb (d) a balloon
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) dry hair (d) a balloon
37. 37.True or false: dry hair is not needed for the static comb. (a) False (b) True
38. 38.True or false: puffed rice jumps to a charged comb. (a) True (b) False
39. 39.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) yeast
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) number of rubs (c) paper bits picked up

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