Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 273 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
2. 2.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
3. 3.⚡ Which of these jumps to a charged comb? (a) a brick (b) puffed rice (c) a heavy book (d) a steel spoon
4. 4.⚖️ 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 paper bit size
5. 5.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a pebble (c) a steel spoon (d) a brick
6. 6.⚡ A rubbed comb is held near a thin water stream. 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 balloon (b) dry hair (c) tiny paper bits (d) turmeric powder
8. 8.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
9. 9.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) in an open field (d) on a rooftop
10. 10.⚖️ 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 hair
11. 11.⚖️ 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
12. 12.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) yeast (d) tiny paper bits
13. 13.⚡ 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 wet (d) they turn blue
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) tiny paper bits (c) dry hair (d) a plastic comb
15. 15.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a heavy book (c) tiny paper bits (d) dry hair
16. 16.⚖️ 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 comb (b) the same hair (c) the paper bit size (d) number of rubs
17. 17.🧺 Which of these is needed for the static comb? (a) dry hair (b) yeast (c) a mirror (d) a battery cell
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) turmeric powder (d) a plastic comb
19. 19.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
20. 20.⚖️ 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 change it (c) we keep it the same
21. 21.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) a brick (d) puffed rice
22. 22.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
23. 23.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) tiny paper bits (d) a thin water stream
24. 24.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we keep it the same (c) we measure it
26. 26.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
27. 27.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) False (b) True
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a magnet (d) tiny paper bits
30. 30.True or false: a brick does not move to a charged comb. (a) True (b) False
31. 31.🧺 Which of these is needed for the static comb? (a) a battery cell (b) yeast (c) a plastic comb (d) vinegar
32. 32.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) the stream bends (d) nothing at all
33. 33.🛟 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
34. 34.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) a heavy book (d) tiny paper bits
35. 35.True or false: yeast is not needed for the static comb. (a) True (b) False
36. 36.True or false: a plastic comb is needed for the static comb. (a) True (b) False
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
38. 38.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
39. 39.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) a pebble (d) dry hair
40. 40.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) dry hair (d) a mirror

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