Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 901 · 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? True or false: number of rubs is the one thing we change. (a) False (b) True
2. 2.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a mirror
4. 4.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it falls straight down (d) it sticks for a while
5. 5.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
7. 7.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) a thin water stream (d) thermocol bits
8. 8.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a heavy book (d) tiny paper bits
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) dry hair (d) a balloon
10. 10.⚖️ 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
11. 11.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) under a tall tree (d) in an open field
12. 12.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
13. 13.⚖️ 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 same hair
14. 14.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) yeast (d) a plastic comb
15. 15.🧺 Which of these is not needed for the static comb? (a) a mirror (b) tiny paper bits (c) dry hair (d) a plastic comb
16. 16.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
17. 17.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
19. 19.🧺 Which of these is needed for the static comb? (a) a magnet (b) yeast (c) vinegar (d) a balloon
20. 20.🛟 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 balloon (d) a rubbed plastic comb
21. 21.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
22. 22.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) vinegar
23. 23.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a pebble (c) a steel spoon (d) a brick
24. 24.True or false: a mirror is needed for the static comb. (a) True (b) False
25. 25.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
26. 26.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) a thin water stream (d) dry hair
27. 27.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
28. 28.True or false: yeast is needed for the static comb. (a) False (b) True
29. 29.🧺 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) turmeric powder
30. 30.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) a pebble (d) dry hair
31. 31.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it becomes a magnet (d) it lights up
32. 32.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a heavy book (d) dry hair
33. 33.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) turmeric powder (c) a battery cell (d) a magnet
34. 34.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
35. 35.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a battery cell (d) a plastic comb
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it
37. 37.True or false: a battery cell is needed for the static comb. (a) False (b) True
38. 38.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
39. 39.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) dry hair (d) a heavy book
40. 40.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) dry hair (c) a plastic comb (d) a balloon

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