Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 879 · 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 pebble does not move to a charged comb. (a) False (b) True
2. 2.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) turmeric powder (c) a battery cell (d) a mirror
3. 3.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) the water freezes (d) nothing at all
4. 4.🛟 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
5. 5.🧺 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
6. 6.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) yeast (d) dry hair
8. 8.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a pebble (d) tiny paper bits
9. 9.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) a brick (d) puffed rice
10. 10.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
11. 11.⚖️ 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
12. 12.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
13. 13.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) a steel spoon (d) tiny paper bits
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) a magnet
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we keep it the same (c) we measure it
16. 16.True or false: a heavy book jumps to a charged comb. (a) True (b) False
17. 17.⚖️ 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
18. 18.⚡ Which of these jumps to a charged comb? (a) a brick (b) puffed rice (c) a steel spoon (d) a heavy book
19. 19.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
20. 20.🔮 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 bursts at once (d) it turns into water
21. 21.⚖️ 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
22. 22.⚡ Which of these jumps to a charged comb? (a) a brick (b) a heavy book (c) a pebble (d) thermocol bits
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a mirror (c) dry hair (d) a balloon
24. 24.⚖️ 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) False (b) True
25. 25.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
26. 26.⚖️ 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) distance to the paper (c) paper bits picked up
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
28. 28.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) the bits jump to it (d) they turn blue
29. 29.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
30. 30.⚖️ 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
31. 31.🧺 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) turmeric powder
32. 32.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
33. 33.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
34. 34.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) a steel spoon (d) dry hair
35. 35.True or false: yeast is not needed for the static comb. (a) True (b) False
36. 36.True or false: a heavy book does not move to a charged comb. (a) False (b) True
37. 37.True or false: turmeric powder is needed for the static comb. (a) True (b) False
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) paper bits picked up (c) the paper bit size (d) number of rubs
39. 39.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) a magnet
40. 40.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move

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