Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 571 · 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.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) a brick (d) dry hair
2. 2.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
3. 3.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) tiny paper bits (d) a heavy book
4. 4.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) tiny paper bits (d) a heavy book
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) vinegar (d) tiny paper bits
7. 7.⚖️ 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) number of rubs (c) the same comb (d) the same hair
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a steel spoon (d) a brick
10. 10.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is hot (d) it is a magnet
11. 11.True or false: a heavy book does not move to a charged comb. (a) True (b) False
12. 12.True or false: a thin water stream jumps to a charged comb. (a) True (b) False
13. 13.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) gravity (c) static electricity (d) sunlight
14. 14.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) a plastic comb (d) a magnet
15. 15.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) a balloon (d) vinegar
16. 16.⚖️ 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) the paper bit size (d) paper bits picked up
17. 17.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) paper bits on a comb (c) a rubbed plastic comb (d) plug points at home
18. 18.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it bursts at once (b) it falls straight down (c) it turns into water (d) it sticks for a while
19. 19.True or false: a balloon is needed for the static comb. (a) True (b) False
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we change it (c) we measure it
21. 21.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) dry hair (c) vinegar (d) a plastic comb
22. 22.True or false: vinegar is needed for the static comb. (a) True (b) False
23. 23.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
24. 24.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a plastic comb (d) yeast
26. 26.True or false: vinegar is not needed for the static comb. (a) True (b) False
27. 27.True or false: a plastic comb is needed for the static comb. (a) True (b) False
28. 28.True or false: yeast is needed for the static comb. (a) True (b) False
29. 29.🧺 Which of these is not needed for the static comb? (a) a magnet (b) dry hair (c) a plastic comb (d) tiny paper bits
30. 30.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
31. 31.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
32. 32.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
33. 33.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it works better (c) it hardly works (d) it lights up
34. 34.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a pebble (c) a brick (d) a steel spoon
35. 35.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) thermocol bits (c) dry hair (d) a pebble
36. 36.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
37. 37.⚖️ 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) distance to the paper
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) number of rubs (c) paper bits picked up
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a battery cell (c) a plastic comb (d) tiny paper bits
40. 40.True or false: dry hair is needed for the static comb. (a) True (b) False

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