Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 667 · 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 turmeric powder for the static comb? (a) needed (b) not needed
2. 2.⚖️ 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
3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
4. 4.⚖️ 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 hair (c) paper bits picked up
5. 5.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) vinegar (c) a battery cell (d) turmeric powder
6. 6.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) a rainbow (c) dew (d) lightning
7. 7.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
8. 8.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
10. 10.True or false: a magnet is not needed for the static comb. (a) True (b) False
11. 11.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) tiny paper bits (d) a steel spoon
12. 12.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a balloon (d) a magnet
14. 14.True or false: puffed rice does not move to a charged comb. (a) False (b) True
15. 15.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) dry hair (c) a pebble (d) a brick
16. 16.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it has static charge (d) it is a magnet
17. 17.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
18. 18.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) water adds charge (d) damp air leaks charge
19. 19.⚖️ 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) number of rubs (c) distance to the paper (d) the same comb
20. 20.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
21. 21.🧺 Which of these is needed for the static comb? (a) dry hair (b) a battery cell (c) turmeric powder (d) a magnet
22. 22.True or false: dry hair is needed for the static comb. (a) True (b) False
23. 23.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a pebble (c) a steel spoon (d) a heavy book
24. 24.True or false: a balloon is not needed for the static comb. (a) True (b) False
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) number of rubs (c) paper bits picked up (d) the same hair
26. 26.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) dry hair (c) tiny paper bits (d) a balloon
28. 28.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) dry hair (c) puffed rice (d) tiny paper bits
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) vinegar
30. 30.True or false: a brick jumps to a charged comb. (a) False (b) True
31. 31.True or false: vinegar is needed for the static comb. (a) False (b) True
32. 32.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
33. 33.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it sticks for a while (d) it falls straight down
34. 34.🧺 Which of these is needed for the static comb? (a) a mirror (b) a balloon (c) a magnet (d) a battery cell
35. 35.True or false: a plastic comb is needed for the static comb. (a) True (b) False
36. 36.True or false: dry hair does not move to a charged comb. (a) False (b) True
37. 37.🔮 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
38. 38.⚖️ 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
39. 39.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
40. 40.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) vinegar (d) dry hair

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