Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 608 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) distance to the paper (c) number of rubs
2. 2.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it turns into water (d) it sticks for a while
3. 3.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) a magnet
4. 4.True or false: puffed rice jumps to a charged comb. (a) False (b) True
5. 5.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) a steel spoon (d) thermocol bits
6. 6.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) puffed rice (d) a heavy book
7. 7.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
8. 8.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn wet (c) nothing happens (d) they turn blue
9. 9.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) puffed rice (d) a brick
10. 10.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
11. 11.⚖️ 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
12. 12.⚖️ 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) False (b) True
13. 13.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a balloon (c) vinegar (d) a mirror
14. 14.⚖️ 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) the same comb (d) the same hair
15. 15.⚖️ 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
16. 16.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) dew (c) the wind (d) a rainbow
17. 17.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
18. 18.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) turmeric powder (c) dry hair (d) tiny paper bits
19. 19.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) thermocol bits (d) a heavy book
20. 20.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
21. 21.True or false: a heavy book does not move to a charged comb. (a) True (b) False
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) number of rubs (c) paper bits picked up (d) distance to the paper
23. 23.True or false: yeast is needed for the static comb. (a) False (b) True
24. 24.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
25. 25.True or false: dry hair is not needed for the static comb. (a) False (b) True
26. 26.⚖️ 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) number of rubs (c) paper bits picked up
27. 27.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
28. 28.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the stream bends (c) nothing at all (d) the water freezes
29. 29.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
30. 30.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
31. 31.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
33. 33.True or false: a pebble does not move to a charged comb. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) dry hair (d) puffed rice
35. 35.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) tiny paper bits (d) turmeric powder
36. 36.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) a heavy book (d) tiny paper bits
37. 37.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we keep it the same (c) we change it
39. 39.True or false: a magnet is needed for the static comb. (a) True (b) False
40. 40.⚖️ 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

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