Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 301 · 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 is the odd one out? (a) a brick (b) a steel spoon (c) a pebble (d) tiny paper bits
2. 2.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a balloon (c) tiny paper bits (d) a plastic comb
4. 4.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) dry hair (d) vinegar
5. 5.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) thermocol bits (d) a heavy book
6. 6.⚖️ 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) the paper bit size (c) distance to the paper (d) number of rubs
7. 7.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a mirror (d) dry hair
8. 8.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) vinegar (d) a plastic comb
9. 9.🧺 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
10. 10.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) lightning (c) dew (d) a rainbow
11. 11.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
12. 12.🔮 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
13. 13.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
14. 14.True or false: a pebble jumps to a charged comb. (a) False (b) True
15. 15.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) thermocol bits (d) a steel spoon
16. 16.⚖️ 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
17. 17.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
18. 18.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
19. 19.⚖️ 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
20. 20.🧺 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) yeast
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we change it (c) we keep it the same
23. 23.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same comb (c) paper bits picked up (d) the paper bit size
25. 25.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) vinegar (d) a mirror
26. 26.🔮 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 sticks for a while (d) it falls straight down
27. 27.True or false: vinegar is not needed for the static comb. (a) False (b) True
28. 28.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) they turn wet (d) nothing happens
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
30. 30.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) puffed rice (d) a pebble
31. 31.True or false: a battery cell is not needed for the static comb. (a) False (b) True
32. 32.True or false: a mirror is needed for the static comb. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) a brick (d) a thin water stream
34. 34.⚖️ 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
35. 35.🧺 Which of these is needed for the static comb? (a) a mirror (b) yeast (c) turmeric powder (d) a balloon
36. 36.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) thermocol bits (d) a brick
37. 37.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
38. 38.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) tiny paper bits (d) thermocol bits
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
40. 40.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) static electricity (d) magnetism

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