Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 730 · 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: dry hair jumps to a charged comb. (a) True (b) False
2. 2.🧺 Which of these is needed for the static comb? (a) vinegar (b) tiny paper bits (c) a magnet (d) yeast
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) turmeric powder (d) tiny paper bits
4. 4.True or false: a magnet is needed for the static comb. (a) True (b) False
5. 5.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
6. 6.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) the bits jump to it (c) nothing happens (d) they turn blue
7. 7.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
8. 8.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) in an open field (d) under a tall tree
9. 9.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) tiny paper bits (d) a heavy book
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a plastic comb (c) tiny paper bits (d) a balloon
11. 11.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) a mirror
12. 12.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it becomes a magnet (d) it works better
13. 13.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
14. 14.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) a plastic comb (d) tiny paper bits
16. 16.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it sticks for a while (d) it bursts at once
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) vinegar (d) dry hair
18. 18.True or false: yeast is not needed for the static comb. (a) True (b) False
19. 19.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a magnet
20. 20.⚖️ 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) False (b) True
21. 21.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a balloon (d) a battery cell
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a battery cell (d) dry hair
23. 23.⚖️ 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) distance to the paper (c) the same comb (d) number of rubs
24. 24.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) yeast (c) tiny paper bits (d) dry hair
25. 25.⚖️ 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) number of rubs (c) the paper bit size (d) paper bits picked up
26. 26.True or false: puffed rice does not move to a charged comb. (a) True (b) False
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
28. 28.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
29. 29.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
30. 30.⚡ Which of these jumps to a charged comb? (a) a brick (b) a thin water stream (c) a heavy book (d) a pebble
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) number of rubs (c) paper bits picked up
32. 32.⚖️ 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) the same comb
33. 33.⚖️ 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 hair
34. 34.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a heavy book (c) a brick (d) a steel spoon
35. 35.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
36. 36.True or false: a brick jumps to a charged comb. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) a steel spoon (d) a heavy book
38. 38.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
39. 39.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) a brick (d) tiny paper bits
40. 40.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) dry hair (d) puffed rice

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