Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 360 · 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 not needed for the static comb. (a) True (b) False
2. 2.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
3. 3.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
4. 4.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
5. 5.True or false: dry hair is not needed for the static comb. (a) True (b) False
6. 6.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
7. 7.True or false: a plastic comb is needed for the static comb. (a) False (b) True
8. 8.🧺 Which of these is needed for the static comb? (a) vinegar (b) a plastic comb (c) a battery cell (d) a mirror
9. 9.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) thermocol bits (d) a heavy book
10. 10.🧺 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) a battery cell
11. 11.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn wet (c) they turn blue (d) the bits jump to it
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we change it (c) we keep it the same
13. 13.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) the wind (d) lightning
14. 14.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the water stops (d) the stream bends
15. 15.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) a heavy book (d) a pebble
16. 16.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
18. 18.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a battery cell (c) vinegar (d) a magnet
19. 19.⚖️ 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
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the same comb (b) paper bits picked up (c) number of rubs (d) the paper bit size
21. 21.True or false: vinegar is not needed for the static comb. (a) False (b) True
22. 22.⚖️ 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 keep it the same (c) we change it
23. 23.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) turmeric powder (d) a balloon
25. 25.True or false: turmeric powder is needed for the static comb. (a) False (b) True
26. 26.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
27. 27.⚖️ 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) True (b) False
28. 28.⚖️ 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
29. 29.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
30. 30.🧺 Which of these is not needed for the static comb? (a) dry hair (b) yeast (c) tiny paper bits (d) a plastic comb
31. 31.🔍 Which is the odd one out? (a) a thin water stream (b) puffed rice (c) a steel spoon (d) tiny paper bits
32. 32.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a steel spoon (c) a pebble (d) a heavy book
33. 33.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) water adds charge (c) damp air leaks charge (d) dry days are noisy
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we measure it (c) we change it
35. 35.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) a pebble (d) a thin water stream
36. 36.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a steel spoon (c) thermocol bits (d) puffed rice
37. 37.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
38. 38.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
39. 39.True or false: a brick jumps to a charged comb. (a) False (b) True
40. 40.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is a magnet (c) it is sticky (d) it is hot

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