Static Electricity Experiment Worksheet

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

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