Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 547 · 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.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) a steel spoon (d) puffed rice
2. 2.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
3. 3.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) damp air leaks charge (d) wet hair is magnetic
4. 4.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) lightning (c) dew (d) the wind
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a mirror (d) dry hair
6. 6.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
8. 8.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
10. 10.True or false: a pebble jumps to a charged comb. (a) False (b) True
11. 11.⚖️ 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) True (b) False
12. 12.True or false: a plastic comb is needed for the static comb. (a) False (b) True
13. 13.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn blue (d) they turn wet
14. 14.🧺 Which of these is needed for the static comb? (a) yeast (b) a plastic comb (c) turmeric powder (d) a magnet
15. 15.True or false: a battery cell is not needed for the static comb. (a) False (b) True
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) a magnet
17. 17.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
18. 18.🧺 Which of these is needed for the static comb? (a) dry hair (b) a mirror (c) vinegar (d) a battery cell
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) distance to the paper (c) the same comb (d) paper bits picked up
20. 20.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a thin water stream (d) a heavy book
21. 21.🛟 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 balloon (d) a rubbed plastic comb
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) turmeric powder (d) a balloon
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
24. 24.⚖️ 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) paper bits picked up (c) number of rubs
25. 25.⚖️ 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) number of rubs (c) the same comb
26. 26.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) turmeric powder
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the same comb (c) number of rubs (d) the same hair
28. 28.True or false: a magnet is not needed for the static comb. (a) True (b) False
29. 29.⚖️ 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
30. 30.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water stops (c) the stream bends (d) the water freezes
31. 31.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
32. 32.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it sticks for a while (c) it turns into water (d) it bursts at once
33. 33.True or false: a heavy book jumps to a charged comb. (a) True (b) False
34. 34.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
35. 35.True or false: yeast is needed for the static comb. (a) True (b) False
36. 36.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a mirror (c) a balloon (d) dry hair
37. 37.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
38. 38.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) a battery cell (d) a balloon
39. 39.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a heavy book (d) a thin water stream
40. 40.True or false: puffed rice jumps to a charged comb. (a) True (b) False

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