Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 746 · 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 pebble. What happens? (a) jumps to the comb (b) does not move
2. 2.⚖️ 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
3. 3.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
4. 4.True or false: puffed rice jumps to a charged comb. (a) False (b) True
5. 5.⚖️ 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
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) vinegar (d) tiny paper bits
7. 7.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
8. 8.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a pebble (c) a steel spoon (d) a brick
9. 9.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it
10. 10.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) a steel spoon (d) tiny paper bits
11. 11.🧺 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
12. 12.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) a plastic comb (d) a mirror
13. 13.True or false: dry hair is needed for the static comb. (a) False (b) True
14. 14.⚖️ 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
15. 15.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
16. 16.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
17. 17.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a plastic comb (c) dry hair (d) tiny paper bits
19. 19.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) thermocol bits (d) dry hair
20. 20.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
21. 21.⚖️ 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
22. 22.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
23. 23.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
24. 24.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a heavy book
25. 25.True or false: dry hair is not needed for the static comb. (a) False (b) True
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
27. 27.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) vinegar (d) dry hair
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) yeast
29. 29.True or false: vinegar is not needed for the static comb. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) a thin water stream (d) a pebble
31. 31.🧺 Which of these is not needed for the static comb? (a) a magnet (b) tiny paper bits (c) a balloon (d) a plastic comb
32. 32.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) a heavy book (d) a thin water stream
33. 33.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is hot (d) it is sticky
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) turmeric powder (d) a plastic comb
35. 35.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a steel spoon (c) dry hair (d) thermocol bits
36. 36.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
37. 37.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
38. 38.🔮 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
39. 39.🔍 Which is the odd one out? (a) a heavy book (b) dry hair (c) a brick (d) a pebble
40. 40.⚖️ 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) distance to the paper (d) the same comb

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