Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 302 · 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.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it is hot (d) it has static charge
2. 2.⚖️ 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 measure it (c) we keep it the same
3. 3.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) a balloon (d) dry hair
5. 5.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
6. 6.⚖️ 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) the paper bit size (c) number of rubs
7. 7.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) a rainbow (d) dew
8. 8.⚖️ 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
9. 9.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
10. 10.🧺 Which of these is needed for the static comb? (a) vinegar (b) a plastic comb (c) a mirror (d) a magnet
11. 11.True or false: a balloon is not needed for the static comb. (a) False (b) True
12. 12.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
13. 13.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
14. 14.True or false: puffed rice jumps to a charged comb. (a) False (b) True
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) False (b) True
16. 16.⚖️ 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
17. 17.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
19. 19.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
20. 20.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a pebble
21. 21.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
22. 22.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
23. 23.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) tiny paper bits (d) a heavy book
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the paper bit size (c) paper bits picked up (d) the same hair
25. 25.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) tiny paper bits (d) a steel spoon
26. 26.⚖️ 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) number of rubs (c) the same comb (d) paper bits picked up
27. 27.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) yeast
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.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) tiny paper bits (d) a pebble
30. 30.True or false: dry hair is needed for the static comb. (a) False (b) True
31. 31.⚖️ 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) False (b) True
32. 32.🧺 Which of these is needed for the static comb? (a) a mirror (b) yeast (c) a magnet (d) dry hair
33. 33.⚖️ 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 hair
34. 34.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a battery cell (d) a plastic comb
35. 35.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
36. 36.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
37. 37.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a magnet
39. 39.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
40. 40.True or false: dry hair jumps to a charged comb. (a) False (b) True

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