Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 611 · 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.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
2. 2.True or false: a pebble jumps to a charged comb. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) a heavy book (d) thermocol bits
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) yeast (d) tiny paper bits
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
6. 6.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
7. 7.🧺 Which of these is needed for the static comb? (a) a mirror (b) vinegar (c) yeast (d) a balloon
8. 8.True or false: yeast is not needed for the static comb. (a) False (b) True
9. 9.True or false: a mirror is not needed for the static comb. (a) True (b) False
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) False (b) True
11. 11.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a heavy book (d) a thin water stream
12. 12.🛟 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
13. 13.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is sticky (d) it is hot
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
15. 15.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
16. 16.True or false: a heavy book does not move to a charged comb. (a) True (b) False
17. 17.⚖️ 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
18. 18.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) turmeric powder (c) a plastic comb (d) tiny paper bits
20. 20.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) tiny paper bits
21. 21.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) nothing at all (d) the stream bends
22. 22.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) a pebble (d) a brick
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.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) dry hair (d) a heavy book
25. 25.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) tiny paper bits (d) a battery cell
26. 26.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
27. 27.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) number of rubs (c) paper bits picked up
29. 29.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) they turn wet (d) the bits jump to it
30. 30.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
31. 31.🔍 Which is the odd one out? (a) puffed rice (b) a brick (c) a heavy book (d) a pebble
32. 32.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a steel spoon (c) thermocol bits (d) dry hair
33. 33.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
34. 34.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) dry hair (d) a brick
35. 35.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
36. 36.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) dry hair (d) a battery cell
37. 37.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) tiny paper bits (d) a steel spoon
38. 38.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
39. 39.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) indoors (d) in an open field
40. 40.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity

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