Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 822 · 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.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
3. 3.⚖️ 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) the same comb (c) number of rubs
4. 4.⚖️ 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) distance to the paper (d) the paper bit size
5. 5.🧺 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) turmeric powder
6. 6.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a heavy book (d) a thin water stream
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
8. 8.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
9. 9.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
10. 10.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
11. 11.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
12. 12.🔮 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
13. 13.⚖️ 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
14. 14.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
16. 16.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) dry hair (d) turmeric powder
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
18. 18.True or false: yeast is not needed for the static comb. (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a steel spoon (d) dry hair
20. 20.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
21. 21.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
22. 22.⚖️ 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
23. 23.⚡ Which of these jumps to a charged comb? (a) a pebble (b) puffed rice (c) a heavy book (d) a brick
24. 24.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
25. 25.⚖️ 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
26. 26.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) a heavy book (d) tiny paper bits
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) vinegar (d) dry hair
28. 28.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) on a rooftop (d) in an open field
29. 29.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) the bits jump to it (d) they turn wet
30. 30.True or false: dry hair is not needed for the static comb. (a) False (b) True
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a balloon (d) a mirror
32. 32.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
33. 33.True or false: puffed rice does not move to a charged comb. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) a brick (d) a pebble
35. 35.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) sunlight (c) gravity (d) magnetism
36. 36.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a mirror (d) a balloon
37. 37.⚖️ 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) number of rubs (c) the same hair (d) distance to the paper
38. 38.⚖️ 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) number of rubs (c) the same hair
39. 39.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) a steel spoon (d) a thin water stream
40. 40.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it lights up (d) it hardly works

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