Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 725 · 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.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a brick (d) a thin water stream
2. 2.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) dry hair (d) vinegar
3. 3.⚖️ 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
4. 4.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a thin water stream (d) a heavy book
5. 5.True or false: a brick jumps to a charged comb. (a) True (b) False
6. 6.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn blue (d) they turn wet
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) tiny paper bits (d) a plastic comb
8. 8.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the paper bit size (c) number of rubs (d) the same comb
10. 10.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a heavy book (d) thermocol bits
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
12. 12.True or false: yeast is needed for the static comb. (a) True (b) False
13. 13.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) dry hair
14. 14.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
15. 15.⚖️ 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) the same hair (d) paper bits picked up
16. 16.True or false: a balloon is not needed for the static comb. (a) False (b) True
17. 17.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
18. 18.🛟 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
19. 19.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a thin water stream (d) a heavy book
20. 20.True or false: puffed rice jumps to a charged comb. (a) False (b) True
21. 21.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
22. 22.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) puffed rice (c) a brick (d) a pebble
23. 23.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) a thin water stream (d) a heavy book
24. 24.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
25. 25.🧺 Which of these is needed for the static comb? (a) a mirror (b) yeast (c) turmeric powder (d) dry hair
26. 26.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) puffed rice (d) a pebble
27. 27.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
28. 28.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
29. 29.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) a pebble (d) dry hair
30. 30.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
31. 31.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
32. 32.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
33. 33.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
34. 34.🧺 Which of these is needed for the static comb? (a) a magnet (b) a plastic comb (c) yeast (d) turmeric powder
35. 35.True or false: dry hair jumps to a charged comb. (a) True (b) False
36. 36.⚖️ 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) paper bits picked up (c) distance to the paper
37. 37.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
38. 38.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) yeast
39. 39.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it

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