Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 202 · 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.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
2. 2.🔍 Which is the odd one out? (a) puffed rice (b) dry hair (c) thermocol bits (d) a pebble
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same comb (c) the same hair (d) paper bits picked up
4. 4.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
5. 5.🛟 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
6. 6.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) True (b) False
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) paper bits picked up (c) number of rubs
9. 9.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) dry hair (c) a thin water stream (d) tiny paper bits
10. 10.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
11. 11.True or false: a pebble jumps to a charged comb. (a) True (b) False
12. 12.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a magnet (d) a plastic comb
13. 13.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
14. 14.True or false: puffed rice jumps to a charged comb. (a) True (b) False
15. 15.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
16. 16.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
17. 17.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) nothing happens (d) the bits jump to it
18. 18.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) a balloon
20. 20.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it has static charge (d) it is a magnet
21. 21.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a steel spoon (d) tiny paper bits
22. 22.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
23. 23.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
24. 24.⚖️ 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
25. 25.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
26. 26.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
27. 27.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
28. 28.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
29. 29.⚖️ 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 change it (c) we keep it the same
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
31. 31.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) nothing at all (d) the water stops
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) turmeric powder (d) a plastic comb
33. 33.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) tiny paper bits (c) a brick (d) a heavy book
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
37. 37.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
38. 38.⚖️ 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
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a balloon (c) tiny paper bits (d) a plastic comb
40. 40.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed

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