Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 627 · 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.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) yeast (c) a balloon (d) a plastic comb
2. 2.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
3. 3.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is sticky (d) it is a magnet
4. 4.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) a heavy book (d) thermocol bits
5. 5.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
6. 6.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) yeast (d) tiny paper bits
7. 7.⚖️ 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
8. 8.True or false: a balloon is not needed for the static comb. (a) True (b) False
9. 9.🔮 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
10. 10.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) puffed rice (d) a brick
11. 11.True or false: a mirror is not needed for the static comb. (a) False (b) True
12. 12.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) dry hair (d) a brick
13. 13.True or false: turmeric powder is needed for the static comb. (a) True (b) False
14. 14.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) a rubbed plastic comb (d) paper bits on a comb
15. 15.⚖️ 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
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a magnet (d) dry hair
18. 18.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it becomes a magnet (d) it lights up
19. 19.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a pebble
20. 20.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a mirror (c) yeast (d) a magnet
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) distance to the paper (c) the paper bit size (d) the same hair
22. 22.⚖️ 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) distance to the paper
23. 23.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) the wind (d) a rainbow
24. 24.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
25. 25.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a mirror
26. 26.⚖️ 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
27. 27.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a pebble (d) a thin water stream
28. 28.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) dry hair (d) a brick
29. 29.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) a balloon (d) tiny paper bits
31. 31.⚖️ 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 change it (c) we keep it the same
32. 32.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
33. 33.🔍 Which is the odd one out? (a) a thin water stream (b) a steel spoon (c) dry hair (d) tiny paper bits
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
35. 35.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
36. 36.True or false: a brick jumps to a charged comb. (a) False (b) True
37. 37.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
38. 38.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
39. 39.🧺 Which of these is not needed for the static comb? (a) dry hair (b) turmeric powder (c) tiny paper bits (d) a plastic comb
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) dry hair (d) a mirror

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