Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 903 · 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.True or false: a pebble jumps to a charged comb. (a) True (b) False
3. 3.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
4. 4.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
5. 5.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) puffed rice (d) a pebble
6. 6.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a heavy book (d) dry hair
7. 7.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) magnetism (d) sunlight
8. 8.⚖️ 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) the same hair (d) distance to the paper
9. 9.True or false: a magnet is not needed for the static comb. (a) True (b) False
10. 10.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
11. 11.🧺 Which of these is needed for the static comb? (a) yeast (b) a plastic comb (c) turmeric powder (d) a battery cell
12. 12.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
13. 13.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
14. 14.True or false: a brick jumps to a charged comb. (a) True (b) False
15. 15.True or false: dry hair jumps to a charged comb. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) tiny paper bits (d) a heavy book
17. 17.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the stream bends (d) the water freezes
18. 18.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
19. 19.True or false: yeast is not needed for the static comb. (a) False (b) True
20. 20.🧺 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) yeast
21. 21.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
22. 22.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a brick (d) thermocol bits
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
24. 24.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
26. 26.⚡ Which of these does not move to a charged comb? (a) a brick (b) a thin water stream (c) puffed rice (d) dry hair
27. 27.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
28. 28.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) tiny paper bits (d) turmeric powder
29. 29.True or false: a pebble does not move to a charged comb. (a) True (b) False
30. 30.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a mirror (d) a balloon
31. 31.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
32. 32.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
33. 33.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
34. 34.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it has static charge (d) it is sticky
35. 35.True or false: a battery cell is needed for the static comb. (a) True (b) False
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
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 same comb (b) distance to the paper (c) the same hair (d) number of rubs
38. 38.True or false: dry hair does not move to a charged comb. (a) True (b) False
39. 39.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) the bits jump to it (d) they turn wet
40. 40.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a thin water stream (d) a pebble

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