Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 378 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) turmeric powder (d) a plastic comb
2. 2.⚖️ 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 keep it the same (c) we change it
3. 3.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
4. 4.⚖️ 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 hair (c) the same comb (d) paper bits picked up
5. 5.True or false: a heavy book does not move to a charged comb. (a) False (b) True
6. 6.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) plug points at home (d) a rubbed balloon
7. 7.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
8. 8.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) a plastic comb (d) turmeric powder
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
11. 11.True or false: puffed rice jumps to a charged comb. (a) True (b) False
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
13. 13.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
14. 14.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
15. 15.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
16. 16.🔍 Which is the odd one out? (a) thermocol bits (b) dry hair (c) puffed rice (d) a brick
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
18. 18.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
19. 19.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) a balloon (d) a mirror
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a battery cell (c) tiny paper bits (d) a balloon
21. 21.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a thin water stream (d) a brick
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) the paper bit size (c) the same comb (d) number of rubs
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) yeast
24. 24.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a thin water stream (c) a heavy book (d) a brick
25. 25.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) yeast (d) turmeric powder
26. 26.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
28. 28.True or false: dry hair is not needed for the static comb. (a) True (b) False
29. 29.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) a balloon (c) tiny paper bits (d) a plastic comb
30. 30.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
31. 31.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) a heavy book (d) thermocol bits
32. 32.⚖️ 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) True (b) False
33. 33.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
34. 34.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) vinegar (d) a balloon
36. 36.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) puffed rice (c) tiny paper bits (d) a pebble
37. 37.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a mirror (d) tiny paper bits
38. 38.⚖️ 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) the same comb (c) number of rubs
39. 39.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a brick (d) thermocol bits
40. 40.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb

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