Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 343 · 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 is not needed for the static comb? (a) a mirror (b) a plastic comb (c) a balloon (d) dry hair
2. 2.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) damp air leaks charge (c) water adds charge (d) wet hair is magnetic
3. 3.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
4. 4.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a magnet (c) dry hair (d) vinegar
5. 5.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
6. 6.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) a heavy book (d) thermocol bits
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a balloon (d) vinegar
8. 8.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
9. 9.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a brick (d) dry hair
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we keep it the same (c) we measure it
11. 11.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
12. 12.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) a rainbow (c) dew (d) the wind
13. 13.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) a pebble (d) a steel spoon
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) a balloon (c) a plastic comb (d) dry hair
15. 15.True or false: a magnet is not needed for the static comb. (a) False (b) True
16. 16.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
17. 17.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it falls straight down (d) it sticks for a while
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) turmeric powder
19. 19.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) a mirror (d) tiny paper bits
21. 21.⚡ Which of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a thin water stream (d) a heavy book
22. 22.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) tiny paper bits (d) a pebble
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) thermocol bits (b) a thin water stream (c) tiny paper bits (d) a brick
25. 25.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) on a rooftop (d) in an open field
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the paper bit size (c) paper bits picked up (d) the same hair
27. 27.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) plug points at home (d) a rubbed plastic comb
28. 28.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
29. 29.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
30. 30.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it has static charge (d) it is hot
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) number of rubs (c) paper bits picked up
32. 32.⚖️ 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) the same hair
33. 33.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) tiny paper bits (c) a balloon (d) a plastic comb
34. 34.True or false: a brick does not move to a charged comb. (a) False (b) True
35. 35.True or false: a pebble does not move to a charged comb. (a) False (b) True
36. 36.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
37. 37.🧺 Which of these is needed for the static comb? (a) a mirror (b) yeast (c) tiny paper bits (d) turmeric powder
38. 38.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
39. 39.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a magnet (d) a plastic comb

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