Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 465 · 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? Which of these is kept the same? (a) paper bits picked up (b) number of rubs (c) the paper bit size
2. 2.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) a steel spoon (d) a heavy book
3. 3.True or false: vinegar is needed for the static comb. (a) False (b) True
4. 4.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a brick (d) dry hair
5. 5.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed plastic comb (d) a rubbed balloon
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) a battery cell (d) dry hair
7. 7.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
8. 8.True or false: a magnet is not needed for the static comb. (a) True (b) False
9. 9.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
10. 10.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
11. 11.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a pebble (d) thermocol bits
12. 12.🔍 Which is the odd one out? (a) dry hair (b) thermocol bits (c) puffed rice (d) a brick
13. 13.⚖️ 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 change it (c) we keep it the same
14. 14.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) they turn blue (d) nothing happens
15. 15.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) a steel spoon (d) a thin water stream
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) tiny paper bits (d) a balloon
17. 17.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a heavy book (c) a brick (d) a steel spoon
18. 18.True or false: dry hair jumps to a charged comb. (a) True (b) False
19. 19.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
20. 20.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) dry hair (c) tiny paper bits (d) a balloon
21. 21.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
22. 22.⚖️ 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 paper bit size (c) number of rubs (d) the same hair
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
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.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) tiny paper bits (d) yeast
27. 27.⚖️ 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
28. 28.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) a balloon (c) dry hair (d) tiny paper bits
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) vinegar (c) tiny paper bits (d) dry hair
30. 30.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a brick (d) a thin water stream
31. 31.True or false: a brick jumps to a charged comb. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) dry hair (d) puffed rice
33. 33.True or false: yeast is not needed for the static comb. (a) True (b) False
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) paper bits picked up (c) number of rubs (d) the same comb
35. 35.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a magnet (c) a plastic comb (d) dry hair
36. 36.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
37. 37.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it is hot (d) it has static charge
38. 38.⚖️ 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 measure it (c) we keep it the same
39. 39.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) puffed rice (c) a brick (d) a pebble
40. 40.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb

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