Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 361 · 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 needed for the static comb? (a) yeast (b) turmeric powder (c) a battery cell (d) a plastic comb
2. 2.🔍 Which is the odd one out? (a) a heavy book (b) a brick (c) a thin water stream (d) a steel spoon
3. 3.🧺 Which of these is needed for the static comb? (a) a magnet (b) turmeric powder (c) dry hair (d) a battery cell
4. 4.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) indoors (d) in an open field
5. 5.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a brick (c) a pebble (d) a heavy book
6. 6.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) a balloon (d) a plastic comb
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we keep it the same (c) we change it
9. 9.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
10. 10.🔮 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
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) True (b) False
12. 12.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) plug points at home (c) a rubbed balloon (d) a rubbed plastic comb
13. 13.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
14. 14.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) a balloon (d) turmeric powder
15. 15.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a steel spoon (d) puffed rice
16. 16.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the paper bit size (b) paper bits picked up (c) number of rubs
18. 18.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
19. 19.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) they turn blue (d) the bits jump to it
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
21. 21.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
22. 22.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) yeast (d) dry hair
24. 24.True or false: a plastic comb is needed for the static comb. (a) False (b) True
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) True (b) False
26. 26.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) thermocol bits (d) puffed rice
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) distance to the paper (c) number of rubs (d) the same hair
28. 28.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
30. 30.True or false: dry hair is needed for the static comb. (a) False (b) True
31. 31.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
32. 32.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) thermocol bits (d) a heavy book
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
34. 34.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we measure it (c) we keep it the same
36. 36.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
37. 37.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
38. 38.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
39. 39.⚖️ 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 paper bit size (c) number of rubs (d) the same hair
40. 40.True or false: a pebble jumps to a charged comb. (a) True (b) False

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