Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 943 · 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.True or false: vinegar is not needed for the static comb. (a) True (b) False
2. 2.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) dry hair (c) a thin water stream (d) puffed rice
3. 3.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) indoors (d) on a rooftop
4. 4.⚖️ 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 change it (c) we measure it
5. 5.🔍 Which is the odd one out? (a) puffed rice (b) a brick (c) a pebble (d) a heavy book
6. 6.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) dry hair (c) yeast (d) vinegar
7. 7.⚖️ 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
8. 8.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
9. 9.True or false: a brick jumps to a charged comb. (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) thermocol bits (b) dry hair (c) a heavy book (d) tiny paper bits
11. 11.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
12. 12.True or false: puffed rice jumps to a charged comb. (a) False (b) True
13. 13.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
14. 14.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
15. 15.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) nothing at all (d) the stream bends
16. 16.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) distance to the paper (c) paper bits picked up (d) number of rubs
18. 18.⚖️ 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
19. 19.⚖️ 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 same comb
20. 20.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) the wind (d) a rainbow
21. 21.🛟 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 plastic comb (d) a rubbed balloon
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) yeast (d) tiny paper bits
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a balloon (c) dry hair (d) a plastic comb
24. 24.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a thin water stream (d) thermocol bits
25. 25.🧺 Which of these is not needed for the static comb? (a) a magnet (b) tiny paper bits (c) a balloon (d) dry hair
26. 26.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) vinegar (d) a plastic comb
27. 27.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
28. 28.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
29. 29.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
30. 30.True or false: yeast is not needed for the static comb. (a) False (b) True
31. 31.⚖️ 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
32. 32.⚡ 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
33. 33.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) wet hair is magnetic (c) dry days are noisy (d) damp air leaks charge
34. 34.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
35. 35.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) number of rubs (c) paper bits picked up (d) distance to the paper
37. 37.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) vinegar (d) tiny paper bits
38. 38.True or false: puffed rice does not move to a charged comb. (a) False (b) True
39. 39.⚖️ 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
40. 40.🧺 Which of these is needed for the static comb? (a) a magnet (b) tiny paper bits (c) a mirror (d) a battery cell

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