Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 763 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
3. 3.🔮 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
4. 4.⚖️ 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) False (b) True
5. 5.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
6. 6.🧺 Which of these is not needed for the static comb? (a) yeast (b) a balloon (c) dry hair (d) a plastic comb
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same comb (c) paper bits picked up (d) the paper bit size
10. 10.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) dry hair (d) a steel spoon
11. 11.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
12. 12.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) a thin water stream (d) a pebble
13. 13.⚖️ 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
14. 14.True or false: dry hair is not needed for the static comb. (a) True (b) False
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
16. 16.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) tiny paper bits (d) a heavy book
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a battery cell (d) a balloon
18. 18.🧺 Which of these is needed for the static comb? (a) yeast (b) a magnet (c) tiny paper bits (d) turmeric powder
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? True or false: paper bits picked up is kept the same. (a) False (b) True
21. 21.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a heavy book (d) a thin water stream
22. 22.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it becomes a magnet (d) it hardly works
23. 23.⚖️ 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) True (b) False
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) tiny paper bits (d) dry hair
25. 25.True or false: puffed rice does not move to a charged comb. (a) False (b) True
26. 26.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
27. 27.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
28. 28.🛟 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
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a balloon (d) vinegar
30. 30.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) a mirror
31. 31.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) dry hair (d) a brick
32. 32.🔍 Which is the odd one out? (a) dry hair (b) a pebble (c) a brick (d) a heavy book
33. 33.⚖️ 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
34. 34.⚡ Which of these jumps to a charged comb? (a) a pebble (b) tiny paper bits (c) a brick (d) a heavy book
35. 35.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) a steel spoon (d) a brick
36. 36.⚖️ 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) False (b) True
37. 37.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) turmeric powder
38. 38.True or false: a brick does not move to a charged comb. (a) False (b) True
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
40. 40.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) magnetism (d) static electricity

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