Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 964 · 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 is the odd one out? (a) puffed rice (b) a heavy book (c) a brick (d) a steel spoon
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) dry hair (c) tiny paper bits (d) a plastic comb
3. 3.True or false: dry hair does not move to a charged comb. (a) False (b) True
4. 4.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a mirror (c) dry hair (d) tiny paper bits
5. 5.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) puffed rice (d) a brick
6. 6.⚖️ 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 change it (c) we keep it the same
7. 7.True or false: a heavy book does not move to a charged comb. (a) True (b) False
8. 8.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
9. 9.🛟 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
10. 10.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
11. 11.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
12. 12.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
13. 13.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
14. 14.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
15. 15.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) they turn wet (d) nothing happens
16. 16.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) tiny paper bits (d) thermocol bits
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
18. 18.⚖️ 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) the paper bit size
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) the same hair (c) paper bits picked up (d) the paper bit size
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we measure it (c) we keep it the same
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
22. 22.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) a thin water stream (c) thermocol bits (d) tiny paper bits
23. 23.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a balloon (d) a battery cell
24. 24.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
25. 25.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
26. 26.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
27. 27.🧺 Which of these is needed for the static comb? (a) vinegar (b) yeast (c) tiny paper bits (d) a magnet
28. 28.⚖️ 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
29. 29.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
30. 30.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
31. 31.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) a plastic comb (d) a magnet
32. 32.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) the wind (d) lightning
33. 33.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
34. 34.⚖️ 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) distance to the paper (c) number of rubs
35. 35.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a balloon (d) yeast
36. 36.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
38. 38.True or false: a mirror is needed for the static comb. (a) True (b) False
39. 39.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) dry hair (d) yeast
40. 40.True or false: a mirror is not needed for the static comb. (a) True (b) False

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