Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 278 · 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 jumps to a charged comb? (a) a pebble (b) a brick (c) puffed rice (d) a heavy book
2. 2.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a thin water stream (c) a brick (d) puffed rice
3. 3.True or false: a mirror is not needed for the static comb. (a) True (b) False
4. 4.⚖️ 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
5. 5.True or false: vinegar is not needed for the static comb. (a) False (b) True
6. 6.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
7. 7.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
8. 8.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
9. 9.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) a magnet
10. 10.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) turmeric powder (d) a plastic comb
11. 11.⚖️ 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) distance to the paper (c) paper bits picked up (d) number of rubs
12. 12.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a balloon (c) vinegar (d) a mirror
13. 13.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a pebble (d) tiny paper bits
14. 14.⚖️ 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
15. 15.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
16. 16.⚖️ 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
17. 17.True or false: a brick jumps to a charged comb. (a) True (b) False
18. 18.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
19. 19.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) a rubbed balloon (d) paper bits on a comb
20. 20.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) the bits jump to it (d) they turn blue
21. 21.⚖️ 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) paper bits picked up (c) distance to the paper
22. 22.True or false: a plastic comb is needed for the static comb. (a) True (b) False
23. 23.True or false: dry hair jumps to a charged comb. (a) True (b) False
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) vinegar (d) tiny paper bits
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) tiny paper bits (d) a balloon
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
27. 27.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) puffed rice (d) a brick
28. 28.⚖️ 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
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) a battery cell
30. 30.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
31. 31.True or false: dry hair is needed for the static comb. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) puffed rice (d) thermocol bits
33. 33.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) a magnet (c) vinegar (d) turmeric powder
34. 34.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) dry hair (d) a brick
35. 35.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) the water freezes (d) nothing at all
36. 36.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a plastic comb (d) a mirror
37. 37.🛟 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
38. 38.⚖️ 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
39. 39.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a thin water stream (d) a steel spoon

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