Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 410 · 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? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same hair (c) number of rubs (d) paper bits picked up
3. 3.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) the stream bends (d) nothing at all
4. 4.True or false: a battery cell is needed for the static comb. (a) True (b) False
5. 5.⚖️ 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) the same comb (c) number of rubs (d) distance to the paper
6. 6.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
7. 7.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) a balloon (d) dry hair
8. 8.True or false: dry hair jumps to a charged comb. (a) True (b) False
9. 9.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) dry hair (d) a magnet
10. 10.🧺 Do we need turmeric powder for the static comb? (a) needed (b) not needed
11. 11.⚡ Why does the rubbed comb pull the paper bits? (a) it has static charge (b) it is sticky (c) it is hot (d) it is a magnet
12. 12.True or false: yeast is needed for the static comb. (a) True (b) False
13. 13.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a balloon (c) dry hair (d) a plastic comb
14. 14.⚖️ 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
15. 15.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
16. 16.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) they turn blue (c) the bits jump to it (d) nothing happens
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we change it (b) we measure it (c) we keep it the same
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) a plastic comb (d) yeast
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 keep it the same (b) we measure it (c) we change it
20. 20.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) a plastic comb (d) a magnet
21. 21.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
22. 22.True or false: yeast is not needed for the static comb. (a) False (b) True
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
24. 24.True or false: a magnet is not needed for the static comb. (a) False (b) True
25. 25.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
26. 26.🔍 Which is the odd one out? (a) puffed rice (b) a thin water stream (c) a pebble (d) tiny paper bits
27. 27.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) in an open field (d) on a rooftop
28. 28.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) sunlight (d) magnetism
29. 29.⚖️ 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
30. 30.🧺 Which of these is needed for the static comb? (a) yeast (b) a magnet (c) a balloon (d) a battery cell
31. 31.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) tiny paper bits (d) a pebble
32. 32.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) thermocol bits (c) puffed rice (d) a heavy book
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) a battery cell
35. 35.🔍 Which is the odd one out? (a) a heavy book (b) a thin water stream (c) thermocol bits (d) puffed rice
36. 36.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) a heavy book (d) puffed rice
37. 37.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) paper bits on a comb (d) plug points at home
38. 38.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) tiny paper bits (d) a pebble
39. 39.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
40. 40.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed

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