Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 448 · 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 is not needed for the static comb? (a) dry hair (b) a battery cell (c) a plastic comb (d) tiny paper bits
2. 2.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) a steel spoon (d) tiny paper bits
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
4. 4.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
5. 5.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a thin water stream (c) a brick (d) a pebble
6. 6.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
7. 7.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
8. 8.True or false: dry hair is not needed for the static comb. (a) False (b) True
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 keep it the same (c) we change it
10. 10.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet
11. 11.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) tiny paper bits (d) a magnet
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) vinegar
14. 14.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
15. 15.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a pebble (d) dry hair
16. 16.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
17. 17.⚖️ 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
18. 18.⚖️ 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
19. 19.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) yeast
20. 20.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the stream bends (d) the water stops
21. 21.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
22. 22.True or false: puffed rice jumps to a charged comb. (a) False (b) True
23. 23.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
24. 24.True or false: a balloon is not needed for the static comb. (a) False (b) True
25. 25.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) the same hair (c) paper bits picked up
28. 28.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) a brick (d) tiny paper bits
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) False (b) True
30. 30.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
31. 31.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
32. 32.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
33. 33.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
34. 34.🧺 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) turmeric powder
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) tiny paper bits (d) a plastic comb
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
37. 37.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) vinegar (d) dry hair
38. 38.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a balloon (d) a mirror
39. 39.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
40. 40.True or false: a heavy book jumps to a charged comb. (a) True (b) False

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