Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 253 · 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? True or false: the same hair is the one thing we change. (a) True (b) False
2. 2.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
3. 3.🔍 Which is the odd one out? (a) thermocol bits (b) dry hair (c) tiny paper bits (d) a brick
4. 4.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
5. 5.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) tiny paper bits (c) a plastic comb (d) dry hair
6. 6.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
7. 7.⚖️ 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) True (b) False
8. 8.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) turmeric powder (c) vinegar (d) a mirror
9. 9.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
10. 10.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) tiny paper bits (d) turmeric powder
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) the same comb (c) distance to the paper (d) number of rubs
12. 12.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
13. 13.⚖️ 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
14. 14.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
15. 15.🧺 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
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) dry hair (d) tiny paper bits
17. 17.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
18. 18.True or false: a brick jumps to a charged comb. (a) True (b) False
19. 19.⚖️ 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) number of rubs (c) distance to the paper (d) paper bits picked up
20. 20.True or false: a magnet is not needed for the static comb. (a) True (b) False
21. 21.True or false: yeast is needed for the static comb. (a) False (b) True
22. 22.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a battery cell (d) a balloon
23. 23.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
24. 24.True or false: a battery cell is needed for the static comb. (a) False (b) True
25. 25.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
26. 26.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
27. 27.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
28. 28.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
29. 29.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a heavy book (d) tiny paper bits
30. 30.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it turns into water (d) it sticks for a while
31. 31.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) puffed rice (d) a heavy book
32. 32.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
33. 33.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a steel spoon (d) dry hair
35. 35.True or false: a mirror is needed for the static comb. (a) True (b) False
36. 36.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) sunlight (d) static electricity
37. 37.⚖️ 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
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) tiny paper bits (d) a plastic comb
39. 39.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a thin water stream (d) a brick
40. 40.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed

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