Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 387 · 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.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
2. 2.⚖️ 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 hair (b) the same comb (c) distance to the paper (d) number of rubs
3. 3.⚖️ 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 keep it the same (c) we measure it
4. 4.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) nothing happens (d) they turn blue
5. 5.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) tiny paper bits (d) turmeric powder
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same hair (c) paper bits picked up (d) distance to the paper
7. 7.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
8. 8.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
10. 10.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a brick (d) puffed rice
11. 11.🧺 Which of these is needed for the static comb? (a) a balloon (b) a mirror (c) turmeric powder (d) vinegar
12. 12.🧺 Which of these is not needed for the static comb? (a) yeast (b) dry hair (c) a plastic comb (d) a balloon
13. 13.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
14. 14.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
15. 15.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it is hot (d) it has static charge
16. 16.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) thermocol bits (d) a heavy book
17. 17.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
18. 18.True or false: a pebble does not move to a charged comb. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) puffed rice (d) a steel spoon
20. 20.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) tiny paper bits (d) vinegar
21. 21.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it falls straight down (d) it turns into water
22. 22.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
23. 23.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) vinegar (c) dry hair (d) a mirror
24. 24.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
25. 25.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) dry days are noisy (c) wet hair is magnetic (d) water adds charge
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) a balloon (d) tiny paper bits
27. 27.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) puffed rice (c) dry hair (d) thermocol bits
28. 28.🔮 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
29. 29.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) dry hair (d) a brick
30. 30.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) puffed rice (d) a thin water stream
31. 31.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
32. 32.True or false: dry hair does not move to a charged comb. (a) False (b) True
33. 33.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
34. 34.True or false: dry hair is not needed for the static comb. (a) False (b) True
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) tiny paper bits (c) a balloon (d) dry hair
36. 36.True or false: a balloon is needed for the static comb. (a) False (b) True
37. 37.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a mirror (d) a balloon
38. 38.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
39. 39.True or false: a battery cell is needed for the static comb. (a) True (b) False
40. 40.🧺 Do we need yeast for the static comb? (a) needed (b) not needed

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