Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 587 · 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 of these jumps to a charged comb? (a) a brick (b) a steel spoon (c) a pebble (d) dry hair
2. 2.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
3. 3.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) nothing at all (c) the stream bends (d) the water stops
4. 4.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
5. 5.⚖️ 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
6. 6.🧺 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) turmeric powder
7. 7.⚡ Why does the comb trick work best on a dry day? (a) dry days are noisy (b) wet hair is magnetic (c) water adds charge (d) damp air leaks charge
8. 8.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
9. 9.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is kept the same. (a) False (b) True
11. 11.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
12. 12.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) indoors (c) under a tall tree (d) in an open field
13. 13.True or false: a brick does not move to a charged comb. (a) True (b) False
14. 14.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) a plastic comb (c) tiny paper bits (d) dry hair
15. 15.True or false: a magnet is not needed for the static comb. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) a thin water stream (b) a brick (c) a steel spoon (d) a pebble
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) yeast (d) dry hair
18. 18.True or false: vinegar is needed for the static comb. (a) False (b) True
19. 19.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a battery cell (c) tiny paper bits (d) a plastic comb
20. 20.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a pebble (d) dry hair
21. 21.🔮 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
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) vinegar (c) dry hair (d) a plastic comb
23. 23.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
24. 24.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
25. 25.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) a brick (d) tiny paper bits
26. 26.True or false: dry hair jumps to a charged comb. (a) True (b) False
27. 27.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) static electricity (c) sunlight (d) magnetism
28. 28.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a mirror (c) dry hair (d) a balloon
29. 29.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
30. 30.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
31. 31.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a magnet (d) a balloon
32. 32.🧺 Which of these is needed for the static comb? (a) a mirror (b) a plastic comb (c) a battery cell (d) a magnet
33. 33.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) dry hair (c) tiny paper bits (d) a brick
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) True (b) False
35. 35.⚖️ 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
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 steel spoon (b) puffed rice (c) a pebble (d) a heavy book
38. 38.True or false: a pebble does not move to a charged comb. (a) False (b) True
39. 39.True or false: turmeric powder is needed for the static comb. (a) True (b) False
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we keep it the same (c) we measure it

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