Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 764 · 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) a brick (b) dry hair (c) a pebble (d) a heavy book
2. 2.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
3. 3.True or false: a balloon is not needed for the static comb. (a) True (b) False
4. 4.🧺 Which of these is needed for the static comb? (a) a mirror (b) a plastic comb (c) a magnet (d) a battery cell
5. 5.⚖️ 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 same comb
6. 6.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it sticks for a while (c) it turns into water (d) it falls straight down
7. 7.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it has static charge (d) it is hot
8. 8.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) nothing at all (d) the stream bends
9. 9.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
10. 10.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) a balloon (d) yeast
11. 11.🔍 Which is the odd one out? (a) a steel spoon (b) puffed rice (c) a thin water stream (d) thermocol bits
12. 12.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) thermocol bits (d) puffed rice
13. 13.⚖️ 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
14. 14.⚖️ 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 same comb (c) distance to the paper (d) paper bits picked up
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
16. 16.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) turmeric powder
17. 17.⚖️ 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
18. 18.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
19. 19.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a balloon (d) a magnet
21. 21.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
23. 23.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
24. 24.True or false: vinegar is needed for the static comb. (a) True (b) False
25. 25.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) plug points at home (d) a rubbed plastic comb
26. 26.True or false: a heavy book does not move to a charged comb. (a) False (b) True
27. 27.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
29. 29.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
30. 30.⚖️ 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 same hair (c) the paper bit size (d) number of rubs
31. 31.True or false: dry hair jumps to a charged comb. (a) False (b) True
32. 32.True or false: a battery cell is needed for the static comb. (a) True (b) False
33. 33.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
34. 34.⚖️ 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
35. 35.True or false: a heavy book jumps to a charged comb. (a) False (b) True
36. 36.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a magnet (c) tiny paper bits (d) dry hair
37. 37.True or false: dry hair is needed for the static comb. (a) False (b) True
38. 38.True or false: dry hair is not needed for the static comb. (a) False (b) True
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
40. 40.True or false: yeast is needed for the static comb. (a) True (b) False

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