Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 121 · 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 does not move to a charged comb. (a) False (b) True
2. 2.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it works better (d) it hardly works
3. 3.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) tiny paper bits (d) yeast
4. 4.⚖️ 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 measure it (c) we change it
5. 5.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) a brick (d) a heavy book
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a magnet (c) a balloon (d) tiny paper bits
7. 7.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the water stops (d) the stream bends
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) dry hair (d) a balloon
9. 9.🧺 Which of these is needed for the static comb? (a) a mirror (b) a plastic comb (c) a magnet (d) yeast
10. 10.🧺 Which of these is needed for the static comb? (a) vinegar (b) dry hair (c) turmeric powder (d) a magnet
11. 11.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
12. 12.⚡ Which of these jumps to a charged comb? (a) a brick (b) tiny paper bits (c) a pebble (d) a steel spoon
13. 13.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
14. 14.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
15. 15.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning
16. 16.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) a plastic comb (d) dry hair
18. 18.🔍 Which is the odd one out? (a) dry hair (b) puffed rice (c) a steel spoon (d) a thin water stream
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) False (b) True
20. 20.⚡ Which of these does not move to a charged comb? (a) a pebble (b) dry hair (c) tiny paper bits (d) thermocol bits
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) dry hair (d) a mirror
22. 22.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) a rubbed balloon (d) plug points at home
23. 23.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we measure it (c) we keep it the same
25. 25.🔍 Which is the odd one out? (a) puffed rice (b) a brick (c) a thin water stream (d) dry hair
26. 26.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) vinegar (d) dry hair
27. 27.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) puffed rice (d) a pebble
28. 28.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a steel spoon (d) puffed rice
29. 29.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
30. 30.True or false: a balloon is needed for the static comb. (a) True (b) False
31. 31.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
32. 32.⚖️ 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 measure it (c) we keep it the same
33. 33.True or false: dry hair is not needed for the static comb. (a) False (b) True
34. 34.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
35. 35.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) the bits jump to it (d) nothing happens
36. 36.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
37. 37.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
38. 38.True or false: a battery cell is needed for the static comb. (a) False (b) True
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) False (b) True
40. 40.🧺 Which of these is needed for the static comb? (a) yeast (b) a balloon (c) a mirror (d) turmeric powder

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