Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 179 · 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 balloon for the static comb? (a) needed (b) not needed
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the same comb (c) number of rubs (d) the same hair
3. 3.True or false: a battery cell is not needed for the static comb. (a) False (b) True
4. 4.True or false: a pebble jumps to a charged comb. (a) False (b) True
5. 5.🧺 Which of these is needed for the static comb? (a) a mirror (b) dry hair (c) turmeric powder (d) yeast
6. 6.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we keep it the same (c) we change it
8. 8.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) vinegar (c) a balloon (d) a plastic comb
10. 10.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) a pebble (d) a steel spoon
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 change it (b) we measure it (c) we keep it the same
12. 12.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
13. 13.⚖️ 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 keep it the same (c) we measure it
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
15. 15.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) puffed rice (c) a thin water stream (d) thermocol bits
16. 16.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a magnet (d) a plastic comb
17. 17.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
18. 18.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) puffed rice (d) a pebble
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) yeast (d) a plastic comb
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) tiny paper bits (d) turmeric powder
21. 21.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
22. 22.⚖️ 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
23. 23.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a battery cell (d) tiny paper bits
25. 25.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed balloon (d) a rubbed plastic comb
26. 26.⚖️ 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
27. 27.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a balloon (c) dry hair (d) a plastic comb
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
29. 29.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a brick (c) a steel spoon (d) a pebble
30. 30.True or false: vinegar is 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 “the paper bit size”? (a) we change it (b) we measure it (c) we keep it the same
32. 32.True or false: a magnet is needed for the static comb. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) dry hair (d) a steel spoon
34. 34.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it is hot (d) it has static charge
35. 35.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
36. 36.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) gravity (d) static electricity
37. 37.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) damp air leaks charge (d) water adds charge
38. 38.True or false: a balloon is not needed for the static comb. (a) True (b) False
39. 39.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) dry hair (c) a brick (d) thermocol bits
40. 40.🔍 Which is the odd one out? (a) a steel spoon (b) tiny paper bits (c) a pebble (d) a heavy book

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