Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 715 · 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: tiny paper bits is not needed for the static comb. (a) True (b) False
2. 2.⚖️ 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
3. 3.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
4. 4.⚖️ 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) False (b) True
5. 5.True or false: dry hair is needed for the static comb. (a) False (b) True
6. 6.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water stops (d) the water freezes
7. 7.True or false: a heavy book does not move to a charged comb. (a) True (b) False
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) a plastic comb (d) a balloon
10. 10.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it
12. 12.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) a pebble (d) thermocol bits
13. 13.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
14. 14.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a heavy book (d) thermocol bits
15. 15.🔮 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
16. 16.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) puffed rice (d) a steel spoon
17. 17.True or false: dry hair is not needed for the static comb. (a) False (b) True
18. 18.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
20. 20.⚖️ 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
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) the same comb (c) paper bits picked up (d) number of rubs
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) turmeric powder (d) a plastic comb
23. 23.⚖️ 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
24. 24.True or false: yeast is needed for the static comb. (a) False (b) True
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a magnet (d) dry hair
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) paper bits picked up (c) number of rubs
27. 27.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
28. 28.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) dry hair (d) a steel spoon
29. 29.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a brick (c) tiny paper bits (d) a thin water stream
30. 30.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) lightning (d) a rainbow
31. 31.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) a battery cell (d) tiny paper bits
32. 32.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) False (b) True
34. 34.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
35. 35.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) a rubbed plastic comb (d) paper bits on a comb
36. 36.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
37. 37.True or false: a balloon is not needed for the static comb. (a) False (b) True
38. 38.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
39. 39.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) thermocol bits (d) a brick
40. 40.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move

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