Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 572 · 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 steel spoon (b) a brick (c) a pebble (d) dry hair
2. 2.⚖️ 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 measure it (c) we keep it the same
3. 3.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) paper bits on a comb (d) plug points at home
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) yeast
5. 5.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a brick (d) a thin water stream
6. 6.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
7. 7.🔮 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
8. 8.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
9. 9.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
11. 11.True or false: dry hair is not needed for the static comb. (a) False (b) True
12. 12.True or false: a magnet is needed for the static comb. (a) True (b) False
13. 13.True or false: dry hair does not move to a charged comb. (a) False (b) True
14. 14.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is sticky (c) it is hot (d) it is a magnet
15. 15.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) dry hair (d) a pebble
16. 16.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a thin water stream (d) a heavy book
17. 17.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a thin water stream (c) a heavy book (d) dry hair
18. 18.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the water stops (d) the stream bends
19. 19.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
20. 20.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) puffed rice (d) tiny paper bits
22. 22.⚖️ 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 keep it the same (c) we change it
23. 23.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a heavy book (c) a brick (d) a pebble
24. 24.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) a magnet (d) a plastic comb
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) turmeric powder (d) dry hair
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
27. 27.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
28. 28.⚖️ 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
29. 29.⚖️ 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 keep it the same (c) we change it
30. 30.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) a steel spoon (d) a pebble
31. 31.⚖️ 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) distance to the paper (c) the same comb (d) paper bits picked up
32. 32.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) a thin water stream (c) thermocol bits (d) dry hair
33. 33.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a pebble (c) puffed rice (d) a thin water stream
34. 34.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
35. 35.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
36. 36.True or false: a plastic comb is needed for the static comb. (a) True (b) False
37. 37.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
38. 38.⚡ Which big natural spark is caused by static electricity? (a) dew (b) a rainbow (c) the wind (d) lightning
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same hair (b) distance to the paper (c) the same comb (d) number of rubs
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False

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