Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 403 · 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.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
2. 2.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) a thin water stream (c) puffed rice (d) dry hair
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) turmeric powder (d) a plastic comb
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
5. 5.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a heavy book (d) tiny paper bits
6. 6.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) magnetism (d) static electricity
7. 7.⚖️ 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 hair (b) number of rubs (c) the same comb (d) paper bits picked up
8. 8.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) a mirror (d) a battery cell
9. 9.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
10. 10.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) dry hair (c) a heavy book (d) a brick
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) dry hair (c) a balloon (d) tiny paper bits
12. 12.True or false: dry hair is needed for the static comb. (a) True (b) False
13. 13.True or false: a heavy book does not move to a charged comb. (a) False (b) True
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a magnet (c) a plastic comb (d) a balloon
15. 15.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
16. 16.🛟 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
17. 17.⚖️ 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
18. 18.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) the stream bends (d) nothing at all
19. 19.⚖️ 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
20. 20.⚖️ 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) the paper bit size (c) number of rubs
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
22. 22.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) yeast (d) dry hair
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) paper bits picked up (c) the paper bit size (d) distance to the paper
24. 24.⚖️ 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 keep it the same (c) we change it
25. 25.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) a magnet (d) tiny paper bits
26. 26.True or false: a heavy book jumps to a charged comb. (a) True (b) False
27. 27.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
28. 28.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it lights up (d) it works better
29. 29.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
30. 30.True or false: vinegar is not needed for the static comb. (a) True (b) False
31. 31.True or false: a pebble does not move to a charged comb. (a) True (b) False
32. 32.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a heavy book (c) a pebble (d) a steel spoon
33. 33.⚖️ 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) False (b) True
34. 34.True or false: a balloon is needed for the static comb. (a) False (b) True
35. 35.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it turns into water (d) it bursts at once
36. 36.True or false: dry hair is not needed for the static comb. (a) True (b) False
37. 37.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
39. 39.True or false: puffed rice jumps to a charged comb. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) thermocol bits (d) a steel spoon

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