Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 175 · 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 turmeric powder for the static comb? (a) not needed (b) needed
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) True (b) False
3. 3.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the water freezes (d) the stream bends
4. 4.⚖️ 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
5. 5.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) tiny paper bits (d) a mirror
6. 6.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it becomes a magnet (d) it hardly works
7. 7.🔍 Which is the odd one out? (a) dry hair (b) a thin water stream (c) tiny paper bits (d) a pebble
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) tiny paper bits (c) a balloon (d) dry hair
9. 9.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
10. 10.⚖️ 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
11. 11.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) yeast (d) tiny paper bits
12. 12.🧺 Which of these is needed for the static comb? (a) a battery cell (b) turmeric powder (c) dry hair (d) yeast
13. 13.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a thin water stream (d) puffed rice
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is what we measure. (a) False (b) True
15. 15.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
16. 16.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a brick (c) a thin water stream (d) dry hair
17. 17.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
18. 18.🔍 Which is the odd one out? (a) thermocol bits (b) a brick (c) a heavy book (d) a steel spoon
19. 19.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
20. 20.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
21. 21.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) gravity (c) static electricity (d) magnetism
22. 22.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
23. 23.⚖️ 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) True (b) False
24. 24.True or false: a mirror is not needed for the static comb. (a) False (b) True
25. 25.⚖️ 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
26. 26.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a heavy book
27. 27.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) dry hair (c) a heavy book (d) a brick
28. 28.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) puffed rice (d) a pebble
29. 29.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
30. 30.🧺 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
31. 31.🔮 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
32. 32.⚖️ 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 comb (b) number of rubs (c) paper bits picked up (d) distance to the paper
33. 33.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we change it (b) we keep it the same (c) we measure it
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) turmeric powder (c) a plastic comb (d) tiny paper bits
35. 35.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn wet (b) nothing happens (c) the bits jump to it (d) they turn blue
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) a balloon (d) a plastic comb
37. 37.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) paper bits picked up (c) the paper bit size (d) the same comb
38. 38.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) dry hair (c) a plastic comb (d) a balloon
39. 39.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) a brick (d) dry hair
40. 40.True or false: yeast is not needed for the static comb. (a) False (b) True

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