Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 235 · 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 vinegar for the static comb? (a) needed (b) not needed
2. 2.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) a rubbed plastic comb (d) paper bits on a comb
3. 3.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) thermocol bits (d) a heavy book
4. 4.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) on a rooftop (d) under a tall tree
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
7. 7.⚖️ 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
8. 8.🧺 Which of these is needed for the static comb? (a) a mirror (b) yeast (c) a battery cell (d) dry hair
9. 9.⚖️ 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) the same hair (c) the same comb (d) number of rubs
10. 10.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it has static charge (d) it is sticky
11. 11.⚖️ 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
12. 12.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a magnet (d) a balloon
13. 13.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
14. 14.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it turns into water (c) it sticks for a while (d) it falls straight down
15. 15.True or false: vinegar is needed for the static comb. (a) True (b) False
16. 16.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
17. 17.⚡ 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
18. 18.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
19. 19.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
20. 20.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
21. 21.⚡ Which of these jumps to a charged comb? (a) a pebble (b) tiny paper bits (c) a heavy book (d) a steel spoon
22. 22.⚖️ 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) the same comb (c) paper bits picked up
23. 23.True or false: a pebble does not move to a charged comb. (a) False (b) True
24. 24.⚖️ 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
25. 25.🧺 Which of these is not needed for the static comb? (a) yeast (b) dry hair (c) a plastic comb (d) a balloon
26. 26.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a plastic comb (c) dry hair (d) turmeric powder
27. 27.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
28. 28.⚖️ 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 change it (c) we measure it
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) tiny paper bits (d) dry hair
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) True (b) False
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) distance to the paper (c) paper bits picked up (d) the same hair
33. 33.🔍 Which is the odd one out? (a) a steel spoon (b) a pebble (c) puffed rice (d) a brick
34. 34.⚖️ 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
35. 35.🧺 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
36. 36.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
37. 37.⚡ Which of these jumps to a charged comb? (a) a brick (b) dry hair (c) a pebble (d) a steel spoon
38. 38.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) gravity (d) magnetism
39. 39.True or false: a balloon is needed for the static comb. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a heavy book (d) puffed rice

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