Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 204 · 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: yeast is needed for the static comb. (a) True (b) False
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) a plastic comb (d) dry hair
3. 3.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) dry hair (d) a brick
4. 4.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a steel spoon (d) a brick
5. 5.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
6. 6.⚖️ 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) number of rubs (c) the paper bit size (d) the same hair
7. 7.⚖️ 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) True (b) False
8. 8.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
10. 10.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
11. 11.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
12. 12.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) wet hair is magnetic (d) damp air leaks charge
13. 13.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a steel spoon (c) a brick (d) a pebble
14. 14.True or false: a balloon is not needed for the static comb. (a) True (b) False
15. 15.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
16. 16.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) a heavy book (d) tiny paper bits
17. 17.🧺 Which of these is needed for the static comb? (a) a magnet (b) a battery cell (c) a balloon (d) vinegar
18. 18.🧺 Which of these is not needed for the static comb? (a) a mirror (b) a plastic comb (c) dry hair (d) tiny paper bits
19. 19.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
20. 20.True or false: dry hair is needed for the static comb. (a) False (b) True
21. 21.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) yeast (c) a plastic comb (d) a magnet
22. 22.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) static electricity (d) gravity
23. 23.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
24. 24.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) paper bits picked up (c) number of rubs (d) the same hair
26. 26.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) on a rooftop (d) in an open field
27. 27.🔍 Which is the odd one out? (a) a pebble (b) puffed rice (c) a heavy book (d) a steel spoon
28. 28.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) turmeric powder (d) tiny paper bits
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a balloon (c) a plastic comb (d) dry hair
30. 30.⚡ Which of these jumps to a charged comb? (a) a brick (b) tiny paper bits (c) a heavy book (d) a pebble
31. 31.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
32. 32.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
33. 33.True or false: dry hair is not needed for the static comb. (a) True (b) False
34. 34.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
35. 35.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water freezes (d) the water stops
36. 36.🧺 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
37. 37.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) a steel spoon (b) dry hair (c) a brick (d) a heavy book
39. 39.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a pebble
40. 40.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) a thin water stream (d) a heavy book

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