Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 345 · 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 is not needed for the static comb? (a) a plastic comb (b) a balloon (c) dry hair (d) yeast
2. 2.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) turmeric powder (c) a mirror (d) a battery cell
3. 3.True or false: yeast is needed for the static comb. (a) True (b) False
4. 4.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
5. 5.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
6. 6.🛟 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
7. 7.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) thermocol bits (d) a steel spoon
8. 8.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) plug points at home (d) a rubbed balloon
9. 9.⚖️ 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
10. 10.True or false: a balloon is not needed for the static comb. (a) True (b) False
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) False (b) True
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same comb (c) paper bits picked up (d) number of rubs
13. 13.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
14. 14.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a brick (d) a thin water stream
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) distance to the paper (c) paper bits picked up
17. 17.⚖️ 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
18. 18.True or false: dry hair jumps to a charged comb. (a) False (b) True
19. 19.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
20. 20.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a heavy book (c) a steel spoon (d) a pebble
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) turmeric powder
22. 22.⚖️ 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
23. 23.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
24. 24.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a battery cell (d) dry hair
26. 26.⚖️ 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
27. 27.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) thermocol bits (d) dry hair
28. 28.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
29. 29.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is hot (c) it is a magnet (d) it is sticky
30. 30.⚖️ 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 comb
31. 31.🧺 Which of these is needed for the static comb? (a) dry hair (b) yeast (c) a mirror (d) turmeric powder
32. 32.True or false: a battery cell is not needed for the static comb. (a) True (b) False
33. 33.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
34. 34.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
35. 35.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
36. 36.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it bursts at once (d) it falls straight down
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) the same comb (c) the same hair (d) number of rubs
38. 38.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn blue (d) they turn wet
39. 39.🧺 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 mirror
40. 40.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) puffed rice (d) a heavy book

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