Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 388 · 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.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) gravity (d) sunlight
2. 2.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
3. 3.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) lightning (c) dew (d) the wind
4. 4.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
5. 5.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) thermocol bits (d) a heavy book
6. 6.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
7. 7.⚡ Which of these does not move to a charged comb? (a) a pebble (b) thermocol bits (c) puffed rice (d) tiny paper bits
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) number of rubs (c) paper bits picked up
9. 9.⚖️ 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
10. 10.⚖️ 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
11. 11.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) a magnet (d) dry hair
12. 12.⚖️ 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
13. 13.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it has static charge (d) it is a magnet
14. 14.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) the bits jump to it (d) they turn wet
15. 15.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) dry hair (d) a magnet
16. 16.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) thermocol bits (d) a brick
17. 17.🧺 Which of these is not needed for the static comb? (a) yeast (b) dry hair (c) a balloon (d) tiny paper bits
18. 18.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) paper bits on a comb (d) a rubbed balloon
19. 19.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
20. 20.⚖️ 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
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a battery cell (d) a balloon
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) vinegar
23. 23.True or false: a magnet is needed for the static comb. (a) True (b) False
24. 24.⚖️ 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
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
26. 26.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
27. 27.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it falls straight down (d) it bursts at once
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
29. 29.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) thermocol bits (d) dry hair
30. 30.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) nothing at all (d) the water freezes
31. 31.🧺 Which of these is not needed for the static comb? (a) a balloon (b) vinegar (c) tiny paper bits (d) a plastic comb
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) tiny paper bits (d) a plastic comb
33. 33.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
34. 34.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) number of rubs (c) distance to the paper (d) the same comb
36. 36.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
37. 37.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
38. 38.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) a pebble (d) a heavy book
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) a balloon (d) dry hair

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