Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 528 · 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.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) a mirror (d) dry hair
2. 2.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) dry hair (d) a plastic comb
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
4. 4.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a brick (d) thermocol bits
5. 5.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
6. 6.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
7. 7.🔍 Which is the odd one out? (a) a pebble (b) thermocol bits (c) a steel spoon (d) a brick
8. 8.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) a thin water stream (d) a heavy book
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) a battery cell (d) dry hair
10. 10.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
11. 11.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a brick (d) puffed rice
12. 12.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) a pebble (d) thermocol bits
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) False (b) True
15. 15.True or false: a pebble does not move to a charged comb. (a) True (b) False
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) yeast (d) tiny paper bits
17. 17.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed balloon (d) a rubbed plastic comb
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) the same hair (c) paper bits picked up (d) number of rubs
19. 19.True or false: dry hair is needed for the static comb. (a) False (b) True
20. 20.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
21. 21.True or false: a pebble jumps to a charged comb. (a) False (b) True
22. 22.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the water freezes (c) the water stops (d) the stream bends
23. 23.🧺 Which of these is not needed for the static comb? (a) vinegar (b) dry hair (c) tiny paper bits (d) a balloon
24. 24.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
25. 25.True or false: a battery cell is needed for the static comb. (a) True (b) False
26. 26.⚡ Which of these jumps to a charged comb? (a) a pebble (b) puffed rice (c) a heavy book (d) a brick
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we change it (c) we measure it
28. 28.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
29. 29.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it is hot (d) it has static charge
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
31. 31.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) the wind (d) lightning
32. 32.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
33. 33.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) puffed rice (d) a steel spoon
34. 34.True or false: puffed rice jumps to a charged comb. (a) False (b) True
35. 35.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
36. 36.True or false: dry hair does not move to a charged comb. (a) True (b) False
37. 37.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) puffed rice (c) a heavy book (d) tiny paper bits
38. 38.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a battery cell (d) a plastic comb
39. 39.⚡ Which of these jumps to a charged comb? (a) a pebble (b) tiny paper bits (c) a steel spoon (d) a brick
40. 40.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) damp air leaks charge (d) dry days are noisy

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