Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 932 · 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 big natural spark is caused by static electricity? (a) lightning (b) the wind (c) a rainbow (d) dew
2. 2.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
3. 3.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
4. 4.True or false: a brick does not move to a charged comb. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) a thin water stream (d) tiny paper bits
6. 6.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) turmeric powder (c) a battery cell (d) a magnet
7. 7.⚖️ 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) distance to the paper (d) paper bits picked up
8. 8.⚖️ 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) paper bits picked up (c) the same hair (d) number of rubs
9. 9.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
10. 10.🧺 Which of these is needed for the static comb? (a) a balloon (b) a mirror (c) turmeric powder (d) a magnet
11. 11.True or false: dry hair is not needed for the static comb. (a) False (b) True
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a mirror (d) a balloon
13. 13.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) the water stops (d) nothing at all
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
16. 16.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) yeast (d) a plastic comb
17. 17.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) nothing happens (d) the bits jump to it
18. 18.True or false: turmeric powder is needed for the static comb. (a) True (b) False
19. 19.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
20. 20.⚖️ 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 change it (c) we keep it the same
21. 21.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
22. 22.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a plastic comb (c) dry hair (d) tiny paper bits
24. 24.True or false: a magnet is not needed for the static comb. (a) False (b) True
25. 25.🔮 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 falls straight down (d) it sticks for a while
26. 26.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a pebble (d) tiny paper bits
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
28. 28.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
29. 29.⚖️ 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
30. 30.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) tiny paper bits (d) a thin water stream
31. 31.🧺 Which of these is needed for the static comb? (a) a mirror (b) tiny paper bits (c) yeast (d) a battery cell
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) tiny paper bits (d) dry hair
33. 33.⚖️ 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 keep it the same (c) we measure it
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
35. 35.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) indoors (d) on a rooftop
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
37. 37.🔍 Which is the odd one out? (a) a steel spoon (b) dry hair (c) a pebble (d) a heavy book
38. 38.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
39. 39.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) dry hair
40. 40.True or false: a balloon is needed for the static comb. (a) True (b) False

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