Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 708 · 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) vinegar (b) tiny paper bits (c) a plastic comb (d) a balloon
2. 2.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) a mirror (d) vinegar
3. 3.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
4. 4.⚖️ 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) number of rubs (d) the same hair
5. 5.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
6. 6.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it is sticky (d) it has static charge
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) the same hair
8. 8.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) indoors (c) in an open field (d) on a rooftop
9. 9.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
10. 10.⚖️ 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) paper bits picked up (c) number of rubs
11. 11.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it sticks for a while (d) it bursts at once
12. 12.⚖️ 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
13. 13.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a mirror (c) a balloon (d) dry hair
14. 14.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) a thin water stream (c) thermocol bits (d) dry hair
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a battery cell (d) dry hair
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
17. 17.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) dry hair (c) a magnet (d) vinegar
18. 18.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) a brick (d) tiny paper bits
19. 19.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) dew (d) a rainbow
20. 20.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) a heavy book (d) a pebble
21. 21.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
22. 22.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a steel spoon (c) a brick (d) a heavy book
23. 23.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it becomes a magnet (d) it works better
24. 24.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) turmeric powder (c) a plastic comb (d) a balloon
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the paper bit size (c) paper bits picked up (d) the same hair
26. 26.True or false: thermocol bits 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? Which of these is kept the same? (a) distance to the paper (b) number of rubs (c) paper bits picked up
28. 28.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
29. 29.True or false: dry hair is needed for the static comb. (a) False (b) True
30. 30.🧺 Which of these is needed for the static comb? (a) a balloon (b) turmeric powder (c) a mirror (d) a battery cell
31. 31.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) sunlight (d) static electricity
32. 32.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
33. 33.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
34. 34.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water stops (d) the water freezes
35. 35.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a steel spoon (d) puffed rice
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) a mirror
37. 37.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) tiny paper bits (d) a steel spoon
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) a brick (b) a heavy book (c) a pebble (d) a thin water stream
40. 40.True or false: a plastic comb is needed for the static comb. (a) True (b) False

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