Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 219 · 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? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
2. 2.🛟 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
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
4. 4.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) tiny paper bits (d) thermocol bits
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same comb (c) the same hair (d) paper bits picked up
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) yeast
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same comb (c) the paper bit size (d) the same hair
8. 8.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet
9. 9.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
10. 10.⚖️ 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 same comb (c) paper bits picked up
11. 11.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it falls straight down (d) it turns into water
12. 12.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same
14. 14.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a plastic comb (c) a balloon (d) dry hair
15. 15.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
16. 16.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) static electricity (d) magnetism
17. 17.True or false: turmeric powder is needed for the static comb. (a) True (b) False
18. 18.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a magnet (d) a plastic comb
20. 20.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
21. 21.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
22. 22.⚖️ 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
23. 23.⚖️ 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
24. 24.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
25. 25.⚖️ 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) True (b) False
26. 26.⚡ Which of these jumps to a charged comb? (a) a brick (b) thermocol bits (c) a heavy book (d) a steel spoon
27. 27.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
28. 28.True or false: dry hair is not needed for the static comb. (a) False (b) True
29. 29.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
30. 30.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
31. 31.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) turmeric powder
32. 32.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a magnet (d) a balloon
33. 33.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) lightning (d) a rainbow
34. 34.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a brick (d) tiny paper bits
35. 35.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) dry hair (d) a magnet
36. 36.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a battery cell (d) a balloon
37. 37.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) dry days are noisy (d) damp air leaks charge
38. 38.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
39. 39.⚖️ 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
40. 40.True or false: a balloon is needed for the static comb. (a) False (b) True

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