Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 880 · 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 is not needed for the static comb? (a) turmeric powder (b) dry hair (c) a balloon (d) a plastic comb
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a magnet (c) dry hair (d) a plastic comb
3. 3.True or false: a brick does not move to a charged comb. (a) True (b) False
4. 4.True or false: dry hair jumps to a charged comb. (a) True (b) False
5. 5.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
6. 6.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a pebble (d) puffed rice
7. 7.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) number of rubs (c) paper bits picked up (d) the same hair
9. 9.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn wet (d) they turn blue
10. 10.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
11. 11.True or false: a plastic comb 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 kept the same? (a) number of rubs (b) the paper bit size (c) paper bits picked up
13. 13.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
14. 14.⚖️ 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) False (b) True
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) a balloon (d) a plastic comb
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a balloon (d) turmeric powder
17. 17.⚖️ 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
18. 18.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) a battery cell
20. 20.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a heavy book (d) puffed rice
21. 21.⚖️ 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 comb (b) number of rubs (c) the same hair (d) the paper bit size
22. 22.True or false: dry hair is needed for the static comb. (a) False (b) True
23. 23.True or false: turmeric powder is needed for the static comb. (a) False (b) True
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) False (b) True
26. 26.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) tiny paper bits (d) a pebble
27. 27.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
28. 28.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) a rainbow (d) the wind
29. 29.True or false: a plastic comb is needed for the static comb. (a) True (b) False
30. 30.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a heavy book (c) a thin water stream (d) puffed rice
31. 31.⚖️ 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) distance to the paper (c) number of rubs
32. 32.⚖️ 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) the same comb
33. 33.True or false: dry hair does not move to a charged comb. (a) False (b) True
34. 34.True or false: vinegar is not needed for the static comb. (a) True (b) False
35. 35.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) a heavy book (d) a brick
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 keep it the same (b) we change it (c) we measure it
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) number of rubs (c) paper bits picked up
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we keep it the same (c) we change it
39. 39.🧺 Which of these is not needed for the static comb? (a) a mirror (b) tiny paper bits (c) a balloon (d) dry hair
40. 40.🔮 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

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