Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 86 · 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? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
2. 2.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) thermocol bits (d) a pebble
3. 3.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
4. 4.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet
5. 5.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
6. 6.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
7. 7.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
8. 8.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the same hair (c) the same comb (d) number of rubs
10. 10.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) turmeric powder
12. 12.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) thermocol bits (d) a steel spoon
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 is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a steel spoon (d) puffed rice
15. 15.⚖️ 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
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) True (b) False
17. 17.⚖️ 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) the paper bit size (c) the same hair (d) paper bits picked up
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) a balloon (c) a plastic comb (d) dry hair
19. 19.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
20. 20.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
21. 21.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a heavy book (c) dry hair (d) puffed rice
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
23. 23.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
24. 24.True or false: tiny paper bits is 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: number of rubs is the one thing we change. (a) False (b) True
26. 26.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
27. 27.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a pebble (c) puffed rice (d) a thin water stream
28. 28.True or false: a heavy book does not move to a charged comb. (a) True (b) False
29. 29.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) tiny paper bits (c) a thin water stream (d) puffed rice
30. 30.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) a thin water stream (d) a brick
31. 31.True or false: a pebble jumps to a charged comb. (a) False (b) True
32. 32.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) sunlight (d) magnetism
33. 33.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a battery cell (d) a plastic comb
34. 34.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) damp air leaks charge (d) wet hair is magnetic
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a mirror (d) a plastic comb
36. 36.True or false: vinegar is needed for the static comb. (a) True (b) False
37. 37.True or false: a brick jumps to a charged comb. (a) True (b) False
38. 38.True or false: a plastic comb is needed for the static comb. (a) True (b) False
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) the same hair (c) paper bits picked up
40. 40.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) thermocol bits (d) a heavy book

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