Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 109 · 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.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
2. 2.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
3. 3.True or false: puffed rice does not move to a charged comb. (a) False (b) True
4. 4.⚖️ 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 measure it (c) we keep it the same
5. 5.⚖️ 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) the paper bit size (c) number of rubs (d) paper bits picked up
6. 6.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it bursts at once (d) it sticks for a while
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a plastic comb (c) dry hair (d) tiny paper bits
8. 8.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) thermocol bits
9. 9.True or false: a brick jumps to a charged comb. (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a brick
11. 11.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a magnet (d) a plastic comb
12. 12.True or false: a pebble jumps to a charged comb. (a) True (b) False
13. 13.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
14. 14.⚖️ 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 measure it (c) we keep it the same
15. 15.⚖️ 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
16. 16.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) a magnet
18. 18.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) a pebble (d) a brick
19. 19.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) a mirror (d) a plastic comb
20. 20.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
21. 21.🧺 Which of these is needed for the static comb? (a) dry hair (b) yeast (c) a mirror (d) vinegar
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) tiny paper bits (d) dry hair
23. 23.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
24. 24.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) dry hair (c) a brick (d) a heavy book
25. 25.⚖️ 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 comb (b) paper bits picked up (c) distance to the paper (d) number of rubs
26. 26.⚖️ 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
27. 27.⚖️ 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
28. 28.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn wet (d) they turn blue
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
30. 30.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
31. 31.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it lights up (d) it hardly works
32. 32.⚖️ 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) False (b) True
33. 33.True or false: a balloon is not needed for the static comb. (a) False (b) True
34. 34.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) nothing at all (d) the water stops
35. 35.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) turmeric powder (d) tiny paper bits
37. 37.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a steel spoon (d) tiny paper bits
38. 38.True or false: dry hair is needed for the static comb. (a) True (b) False
39. 39.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
40. 40.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed

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