Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 116 · 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: dry hair does not move to a charged comb. (a) True (b) False
2. 2.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) a battery cell
3. 3.True or false: a mirror is not needed for the static comb. (a) False (b) True
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
5. 5.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) under a tall tree (d) indoors
6. 6.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) the same comb (c) the same hair (d) paper bits picked up
8. 8.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water freezes (c) nothing at all (d) the water stops
9. 9.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it works better (d) it lights up
10. 10.⚖️ 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 paper bit size
11. 11.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
12. 12.🧺 Which of these is needed for the static comb? (a) a mirror (b) a balloon (c) turmeric powder (d) a magnet
13. 13.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) a heavy book (d) puffed rice
14. 14.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
15. 15.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a magnet (d) a plastic comb
17. 17.⚖️ 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 keep it the same (c) we change it
18. 18.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) dry hair (d) a brick
19. 19.True or false: a pebble jumps to a charged comb. (a) True (b) False
20. 20.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
21. 21.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a brick (c) a steel spoon (d) a heavy book
22. 22.🧺 Which of these is not needed for the static comb? (a) a magnet (b) a plastic comb (c) dry hair (d) a balloon
23. 23.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) tiny paper bits (d) a steel spoon
24. 24.🔍 Which is the odd one out? (a) a heavy book (b) a pebble (c) tiny paper bits (d) a brick
25. 25.🔍 Which is the odd one out? (a) thermocol bits (b) a steel spoon (c) a pebble (d) a brick
26. 26.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a heavy book (d) tiny paper bits
27. 27.⚖️ 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
28. 28.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) tiny paper bits (c) a plastic comb (d) a balloon
30. 30.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) vinegar (c) yeast (d) a magnet
31. 31.🔍 Which is the odd one out? (a) a thin water stream (b) a heavy book (c) a pebble (d) a brick
32. 32.⚖️ 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
33. 33.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
34. 34.🧺 Which of these is needed for the static comb? (a) dry hair (b) turmeric powder (c) a mirror (d) yeast
35. 35.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) a rainbow (d) dew
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a balloon (c) a plastic comb (d) tiny paper bits
37. 37.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) paper bits on a comb (d) a rubbed balloon
38. 38.⚡ 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
39. 39.True or false: puffed rice does not move to a charged comb. (a) False (b) True
40. 40.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb

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