Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 127 · 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.⚖️ 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) False (b) True
2. 2.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) turmeric powder (d) tiny paper bits
5. 5.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
6. 6.True or false: turmeric powder is needed for the static comb. (a) True (b) False
7. 7.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
8. 8.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) magnetism (d) sunlight
9. 9.🧺 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 magnet
10. 10.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a magnet (d) tiny paper bits
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) tiny paper bits (d) a battery cell
12. 12.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) a plastic comb (d) turmeric powder
13. 13.⚖️ 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
14. 14.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a brick (d) puffed rice
15. 15.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
16. 16.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a heavy book (d) a thin water stream
17. 17.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
18. 18.⚖️ 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) True (b) False
19. 19.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
20. 20.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
21. 21.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it has static charge (d) it is a magnet
22. 22.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) a heavy book (d) dry hair
23. 23.⚖️ 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
24. 24.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
25. 25.⚖️ 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) False (b) True
26. 26.True or false: yeast is not needed for the static comb. (a) False (b) True
27. 27.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) thermocol bits (d) a brick
28. 28.⚖️ 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
29. 29.True or false: a pebble jumps to a charged comb. (a) True (b) False
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the same comb (c) number of rubs (d) the same hair
31. 31.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) lightning (d) the wind
32. 32.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) in an open field (d) on a rooftop
33. 33.🧺 Which of these is needed for the static comb? (a) a balloon (b) a mirror (c) a magnet (d) a battery cell
34. 34.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a battery cell (d) a balloon
35. 35.⚖️ 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
36. 36.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) puffed rice (d) thermocol bits
37. 37.True or false: yeast is needed for the static comb. (a) True (b) False
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) False (b) True
39. 39.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
40. 40.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it sticks for a while (d) it turns into water

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