Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 268 · 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 of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a brick (d) dry hair
2. 2.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) tiny paper bits (d) a steel spoon
3. 3.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a battery cell (d) dry hair
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) yeast
5. 5.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) nothing at all (d) the water stops
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) a balloon (d) tiny paper bits
7. 7.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) they turn wet (d) nothing happens
8. 8.True or false: a magnet is needed for the static comb. (a) True (b) False
9. 9.True or false: a brick jumps to a charged comb. (a) False (b) True
10. 10.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is hot (d) it is sticky
11. 11.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) tiny paper bits (d) a magnet
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) number of rubs (c) the same hair (d) paper bits picked up
13. 13.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) dew (d) a rainbow
14. 14.⚖️ 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
15. 15.🔍 Which is the odd one out? (a) a heavy book (b) thermocol bits (c) a pebble (d) a brick
16. 16.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed balloon (d) a rubbed plastic comb
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) a battery cell
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) vinegar (d) a plastic comb
20. 20.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) thermocol bits (d) puffed rice
21. 21.🧺 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
22. 22.⚖️ 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) True (b) False
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
24. 24.🧺 Which of these is needed for the static comb? (a) yeast (b) dry hair (c) vinegar (d) a battery cell
25. 25.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
26. 26.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) tiny paper bits (d) a thin water stream
27. 27.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
28. 28.True or false: dry hair jumps to a charged comb. (a) True (b) False
29. 29.🔮 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
30. 30.True or false: vinegar is not needed for the static comb. (a) True (b) False
31. 31.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
32. 32.⚖️ 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
33. 33.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) turmeric powder (d) dry hair
34. 34.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a plastic comb (c) a balloon (d) tiny paper bits
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
36. 36.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
37. 37.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
39. 39.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
40. 40.🧺 Which of these is needed for the static comb? (a) vinegar (b) yeast (c) a plastic comb (d) a mirror

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