Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 695 · 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.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
2. 2.True or false: a heavy book jumps to a charged comb. (a) False (b) True
3. 3.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) dry hair (d) a brick
4. 4.⚖️ 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
5. 5.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) a plastic comb (d) a mirror
6. 6.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
7. 7.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
8. 8.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) thermocol bits (c) a pebble (d) a brick
9. 9.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) puffed rice (d) a brick
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) yeast
11. 11.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
12. 12.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
13. 13.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a heavy book (c) a pebble (d) a steel spoon
14. 14.⚖️ 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) paper bits picked up (c) distance to the paper (d) number of rubs
15. 15.⚖️ 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) True (b) False
16. 16.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn wet (d) they turn blue
17. 17.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) a balloon (c) dry hair (d) a plastic comb
18. 18.⚖️ 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 paper bit size (d) the same hair
19. 19.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) the water stops (d) nothing at all
20. 20.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) tiny paper bits (b) a heavy book (c) a brick (d) a steel spoon
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
23. 23.True or false: yeast is needed for the static comb. (a) False (b) True
24. 24.🧺 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) turmeric powder
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) dry hair (d) vinegar
26. 26.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) a rainbow (d) dew
27. 27.⚖️ 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
28. 28.🔮 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
29. 29.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
30. 30.⚖️ 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 keep it the same (c) we change it
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a balloon (c) a plastic comb (d) tiny paper bits
32. 32.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
33. 33.True or false: vinegar is needed for the static comb. (a) False (b) True
34. 34.🧺 Which of these is needed for the static comb? (a) a magnet (b) tiny paper bits (c) a mirror (d) vinegar
35. 35.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
36. 36.🔍 Which is the odd one out? (a) a heavy book (b) thermocol bits (c) a pebble (d) a brick
37. 37.⚖️ 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
38. 38.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) a steel spoon (d) thermocol bits
39. 39.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
40. 40.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) a pebble (d) puffed rice

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