Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 177 · 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.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
2. 2.⚖️ 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) number of rubs (c) the same hair (d) the paper bit size
3. 3.True or false: a magnet is needed for the static comb. (a) False (b) True
4. 4.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water freezes (d) the water stops
5. 5.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) vinegar (d) a plastic comb
7. 7.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it hardly works (d) it becomes a magnet
8. 8.True or false: a heavy book does not move to a charged comb. (a) True (b) False
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) the same comb (c) paper bits picked up (d) number of rubs
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) a plastic comb (d) a balloon
12. 12.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
13. 13.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a brick (d) a thin water stream
14. 14.⚡ Which big natural spark is caused by static electricity? (a) dew (b) the wind (c) a rainbow (d) lightning
15. 15.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a heavy book (c) thermocol bits (d) tiny paper bits
16. 16.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a heavy book (d) thermocol bits
17. 17.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed plastic comb (c) a rubbed balloon (d) plug points at home
18. 18.🛟 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
19. 19.True or false: turmeric powder is needed for the static comb. (a) True (b) False
20. 20.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
21. 21.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) a heavy book (d) thermocol bits
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) yeast (d) dry hair
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) a battery cell
24. 24.⚖️ 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
25. 25.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a pebble (d) a thin water stream
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
27. 27.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) number of rubs (c) paper bits picked up
29. 29.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) puffed rice (d) tiny paper bits
30. 30.⚖️ 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
31. 31.⚡ 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
32. 32.🧺 Which of these is not needed for the static comb? (a) a balloon (b) yeast (c) dry hair (d) tiny paper bits
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) turmeric powder (d) a balloon
34. 34.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a magnet (c) dry hair (d) a plastic comb
35. 35.True or false: a heavy book jumps to a charged comb. (a) True (b) False
36. 36.True or false: a battery cell is needed for the static comb. (a) True (b) False
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
38. 38.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
39. 39.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) dry hair (d) puffed rice
40. 40.⚖️ 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

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