Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 713 · 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 brick (c) a steel spoon (d) dry hair
2. 2.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) lightning (d) the wind
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
4. 4.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) a brick (d) puffed rice
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the paper bit size (c) the same hair (d) paper bits picked up
6. 6.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
7. 7.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a mirror (c) tiny paper bits (d) dry hair
8. 8.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) puffed rice (d) a pebble
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) dry hair (d) tiny paper bits
10. 10.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
11. 11.True or false: puffed rice does not move to a charged comb. (a) False (b) True
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) number of rubs (c) the same hair (d) the same comb
13. 13.True or false: a heavy book does not move to a charged comb. (a) True (b) False
14. 14.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
15. 15.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) a magnet (d) dry hair
16. 16.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) dry hair (d) tiny paper bits
17. 17.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a thin water stream (d) a steel spoon
18. 18.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
19. 19.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) a rubbed balloon (d) plug points at home
20. 20.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
21. 21.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) under a tall tree (d) on a rooftop
22. 22.⚡ Which of these jumps to a charged comb? (a) a brick (b) tiny paper bits (c) a pebble (d) a heavy book
23. 23.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) puffed rice (d) a steel spoon
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) False (b) True
25. 25.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) turmeric powder (d) a balloon
26. 26.⚡ A rubbed comb is held near a brick. What happens? (a) does not move (b) jumps to the comb
27. 27.True or false: turmeric powder is needed for the static comb. (a) False (b) True
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) paper bits picked up (c) number of rubs
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we keep it the same (c) we change it
30. 30.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
31. 31.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
32. 32.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
33. 33.True or false: a plastic comb is needed for the static comb. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) puffed rice (b) a pebble (c) a thin water stream (d) tiny paper bits
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) vinegar
36. 36.🔮 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 sticks for a while (d) it turns into water
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
38. 38.True or false: a pebble jumps to a charged comb. (a) True (b) False
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
40. 40.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed

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