Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 989 · 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.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) they turn wet (d) nothing happens
2. 2.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) a thin water stream (d) tiny paper bits
3. 3.🧺 Which of these is needed for the static comb? (a) dry hair (b) a battery cell (c) a magnet (d) vinegar
4. 4.⚖️ 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) False (b) True
5. 5.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
6. 6.True or false: vinegar is not needed for the static comb. (a) True (b) False
7. 7.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) static electricity (d) sunlight
8. 8.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) dry days are noisy (c) wet hair is magnetic (d) damp air leaks charge
9. 9.🛟 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
10. 10.🔍 Which is the odd one out? (a) a brick (b) a heavy book (c) a pebble (d) tiny paper bits
11. 11.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
13. 13.⚖️ 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
14. 14.⚖️ 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) the same comb
15. 15.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
16. 16.⚖️ 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
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a magnet (c) a balloon (d) dry hair
18. 18.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
19. 19.True or false: a plastic comb is needed for the static comb. (a) True (b) False
20. 20.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
21. 21.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
22. 22.True or false: puffed rice does not move to a charged comb. (a) True (b) False
23. 23.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) a mirror (c) vinegar (d) turmeric powder
24. 24.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) puffed rice (c) thermocol bits (d) a steel spoon
25. 25.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
26. 26.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) a plastic comb (c) dry hair (d) tiny paper bits
27. 27.⚖️ 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
28. 28.🔍 Which is the odd one out? (a) puffed rice (b) thermocol bits (c) a steel spoon (d) tiny paper bits
29. 29.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
30. 30.True or false: dry hair does not move to a charged comb. (a) False (b) True
31. 31.⚖️ 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
32. 32.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
33. 33.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it has static charge (d) it is sticky
34. 34.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) a magnet (d) dry hair
35. 35.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
36. 36.⚖️ 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
37. 37.🔍 Which is the odd one out? (a) a brick (b) dry hair (c) a heavy book (d) a steel spoon
38. 38.🛟 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
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) a plastic comb (d) dry hair
40. 40.True or false: dry hair jumps to a charged comb. (a) False (b) True

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