Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 888 · 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 the one thing we change? (a) the same hair (b) number of rubs (c) distance to the paper (d) the same comb
2. 2.⚖️ 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 change it (c) we measure it
3. 3.🧺 Which of these is needed for the static comb? (a) dry hair (b) turmeric powder (c) a mirror (d) vinegar
4. 4.⚖️ 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
5. 5.⚡ Why does the comb trick work best on a dry day? (a) wet hair is magnetic (b) dry days are noisy (c) water adds charge (d) damp air leaks charge
6. 6.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) a magnet (d) a balloon
7. 7.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) dry hair (d) a steel spoon
8. 8.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
9. 9.🧺 Which of these is not needed for the static comb? (a) yeast (b) tiny paper bits (c) a plastic comb (d) dry hair
10. 10.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a steel spoon (c) a heavy book (d) a pebble
11. 11.🧺 Which of these is needed for the static comb? (a) a mirror (b) a plastic comb (c) vinegar (d) a magnet
12. 12.⚖️ 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) paper bits picked up (c) the paper bit size (d) distance to the paper
13. 13.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
14. 14.⚖️ 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
15. 15.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a battery cell (d) tiny paper bits
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a battery cell (d) a plastic comb
17. 17.🔍 Which is the odd one out? (a) tiny paper bits (b) a pebble (c) a steel spoon (d) a heavy book
18. 18.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it hardly works (c) it works better (d) it becomes a magnet
19. 19.⚖️ 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
20. 20.True or false: thermocol bits jumps to a charged comb. (a) False (b) True
21. 21.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
22. 22.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
24. 24.🛟 Static from a comb is safe. Which electricity must children never play with? (a) paper bits on a comb (b) a rubbed balloon (c) a rubbed plastic comb (d) plug points at home
25. 25.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a pebble (c) a thin water stream (d) a brick
26. 26.True or false: vinegar is not needed for the static comb. (a) True (b) False
27. 27.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) thermocol bits (c) dry hair (d) a heavy book
28. 28.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is sticky (c) it is hot (d) it has static charge
29. 29.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
30. 30.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) sunlight (c) magnetism (d) gravity
31. 31.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
32. 32.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
33. 33.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) puffed rice (d) thermocol bits
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) dry hair (c) a balloon (d) tiny paper bits
36. 36.⚡ 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
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) number of rubs (c) paper bits picked up
38. 38.⚖️ 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
39. 39.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a thin water stream (d) a steel spoon
40. 40.True or false: a plastic comb is not needed for the static comb. (a) True (b) False

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