Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 455 · 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.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
2. 2.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a magnet (c) a balloon (d) a mirror
3. 3.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a brick (d) puffed rice
4. 4.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) indoors (d) in an open field
5. 5.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) thermocol bits (d) a steel spoon
6. 6.⚖️ 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) number of rubs (c) the paper bit size (d) paper bits picked up
7. 7.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) a plastic comb (d) turmeric powder
8. 8.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
9. 9.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) a thin water stream (d) a heavy book
10. 10.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a magnet
11. 11.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
12. 12.⚖️ 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
13. 13.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
14. 14.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
16. 16.🔮 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
17. 17.⚡ 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
18. 18.True or false: dry hair does not move to a charged comb. (a) False (b) True
19. 19.⚖️ 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
20. 20.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) a rubbed balloon (d) plug points at home
21. 21.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
22. 22.True or false: a mirror is needed for the static comb. (a) True (b) False
23. 23.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
24. 24.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) tiny paper bits (d) a heavy book
25. 25.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
26. 26.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) a mirror (d) dry hair
27. 27.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) nothing at all (d) the water stops
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) dry hair (d) a balloon
30. 30.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it lights up (d) it hardly works
31. 31.True or false: a battery cell is not needed for the static comb. (a) True (b) False
32. 32.⚖️ 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
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) a plastic comb (d) dry hair
34. 34.⚖️ 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 paper bit size
35. 35.⚖️ 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
36. 36.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) puffed rice (c) a brick (d) a heavy book
37. 37.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) a balloon (c) dry hair (d) a plastic comb
38. 38.⚖️ 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) number of rubs (c) the same hair (d) the same comb
39. 39.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
40. 40.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed

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