Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 874 · 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.🧺 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) turmeric powder
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we measure it (b) we keep it the same (c) we change it
3. 3.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) the same hair (c) number of rubs (d) distance to the paper
4. 4.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
5. 5.True or false: dry hair is needed for the static comb. (a) True (b) False
6. 6.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
7. 7.True or false: a mirror is needed for the static comb. (a) False (b) True
8. 8.🔮 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
9. 9.True or false: a battery cell is needed for the static comb. (a) True (b) False
10. 10.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is hot (c) it has static charge (d) it is a magnet
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) a magnet
12. 12.True or false: puffed rice does not move to a charged comb. (a) False (b) True
13. 13.⚖️ 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 change it (c) we measure it
14. 14.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) vinegar (d) dry hair
15. 15.True or false: turmeric powder is needed for the static comb. (a) False (b) True
16. 16.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) nothing happens (d) they turn wet
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a battery cell (d) tiny paper bits
18. 18.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
19. 19.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) dry hair (d) a thin water stream
20. 20.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) yeast (d) a plastic comb
21. 21.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a pebble (d) a thin water stream
22. 22.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) dry hair (d) a steel spoon
23. 23.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) dry hair (d) a brick
24. 24.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) yeast (d) a plastic comb
25. 25.🛟 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 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 comb is kept the same. (a) False (b) True
27. 27.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
28. 28.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) tiny paper bits (c) a balloon (d) a plastic comb
29. 29.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True
31. 31.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) thermocol bits (c) a brick (d) a steel spoon
32. 32.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) sunlight (d) gravity
33. 33.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
34. 34.True or false: a heavy book does not move to a charged comb. (a) False (b) True
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) number of rubs (c) paper bits picked up
36. 36.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) puffed rice (d) a pebble
37. 37.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it falls straight down (c) it sticks for a while (d) it bursts at once
38. 38.⚖️ 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 hair
39. 39.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
40. 40.🧺 Which of these is needed for the static comb? (a) a mirror (b) a magnet (c) a balloon (d) turmeric powder

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