Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 79 · 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: a battery cell is needed for the static comb. (a) True (b) False
2. 2.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) static electricity (d) magnetism
3. 3.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) under a tall tree (d) on a rooftop
4. 4.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) thermocol bits (d) a heavy book
5. 5.⚖️ 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
6. 6.🔍 Which is the odd one out? (a) dry hair (b) a brick (c) puffed rice (d) a thin water stream
7. 7.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
8. 8.⚖️ 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
9. 9.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
10. 10.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a heavy book (c) a pebble (d) a steel spoon
11. 11.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) thermocol bits (d) puffed rice
12. 12.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
13. 13.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) a thin water stream (d) a steel spoon
14. 14.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
15. 15.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) a pebble (d) puffed rice
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) dry hair (d) tiny paper bits
17. 17.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water stops (d) the water freezes
18. 18.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
19. 19.True or false: turmeric powder is needed for the static comb. (a) True (b) False
20. 20.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) dry hair (d) a steel spoon
21. 21.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning
22. 22.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
23. 23.⚖️ 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
24. 24.True or false: a balloon is not needed for the static comb. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a brick (d) a heavy book
26. 26.True or false: a heavy book does not move to a charged comb. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a pebble (d) a thin water stream
28. 28.True or false: yeast is needed for the static comb. (a) False (b) True
29. 29.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
30. 30.True or false: dry hair is needed for the static comb. (a) True (b) False
31. 31.True or false: yeast is not needed for the static comb. (a) False (b) True
32. 32.⚖️ 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) True (b) False
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we change it (c) we keep it the same
34. 34.True or false: a pebble jumps to a charged comb. (a) False (b) True
35. 35.🛟 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) plug points at home (d) a rubbed balloon
36. 36.🧺 Which of these is not needed for the static comb? (a) yeast (b) a plastic comb (c) a balloon (d) dry hair
37. 37.True or false: a magnet is not needed for the static comb. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) a heavy book (d) a thin water stream
39. 39.⚖️ 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) False (b) True
40. 40.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move

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