Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 470 · 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.True or false: dry hair is needed for the static comb. (a) False (b) True
2. 2.⚖️ 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) False (b) True
3. 3.True or false: a pebble does not move to a charged comb. (a) False (b) True
4. 4.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it has static charge (c) it is sticky (d) it is a magnet
5. 5.True or false: a magnet is needed for the static comb. (a) True (b) False
6. 6.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
7. 7.🛟 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
8. 8.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) a pebble (d) a thin water stream
9. 9.True or false: dry hair is not needed for the static comb. (a) False (b) True
10. 10.True or false: turmeric powder is needed for the static comb. (a) True (b) False
11. 11.True or false: a magnet is not needed for the static comb. (a) False (b) True
12. 12.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
13. 13.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a pebble
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
16. 16.⚖️ 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) the paper bit size (c) paper bits picked up
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) tiny paper bits (d) yeast
18. 18.🧺 Which of these is needed for the static comb? (a) vinegar (b) yeast (c) tiny paper bits (d) a battery cell
19. 19.True or false: a plastic comb is needed for the static comb. (a) True (b) False
20. 20.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) the water freezes (d) nothing at all
21. 21.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a brick (d) a heavy book
22. 22.True or false: a mirror is needed for the static comb. (a) False (b) True
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
24. 24.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
25. 25.True or false: a pebble jumps to a charged comb. (a) False (b) True
26. 26.⚖️ 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 change it (c) we measure it
27. 27.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
29. 29.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) dry hair (d) puffed rice
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.🧺 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) a battery cell
32. 32.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
35. 35.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
36. 36.🔮 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 turns into water (d) it sticks for a while
37. 37.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) tiny paper bits (d) a steel spoon
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a balloon (d) a magnet
39. 39.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) tiny paper bits (d) dry hair

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