Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 670 · 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 tiny paper bits for the static comb? (a) not needed (b) needed
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we change it (b) we keep it the same (c) we measure it
3. 3.⚖️ 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
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) dry hair (c) a plastic comb (d) tiny paper bits
5. 5.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
6. 6.True or false: dry hair does not move to a charged comb. (a) True (b) False
7. 7.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) on a rooftop (d) indoors
8. 8.⚖️ 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 measure it (c) we keep it the same
9. 9.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) yeast (d) a balloon
10. 10.True or false: vinegar is needed for the static comb. (a) False (b) True
11. 11.⚖️ 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 comb
12. 12.True or false: a mirror is needed for the static comb. (a) True (b) False
13. 13.🧺 Which of these is needed for the static comb? (a) a battery cell (b) vinegar (c) turmeric powder (d) a balloon
14. 14.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
15. 15.🧺 Which of these is not needed for the static comb? (a) a balloon (b) a mirror (c) tiny paper bits (d) a plastic comb
16. 16.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
17. 17.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a pebble (c) a heavy book (d) a steel spoon
18. 18.⚡ Which of these does not move to a charged comb? (a) a pebble (b) thermocol bits (c) a thin water stream (d) tiny paper bits
19. 19.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
20. 20.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
21. 21.⚖️ 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
22. 22.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
23. 23.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
24. 24.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) nothing happens (c) they turn blue (d) they turn wet
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a balloon (c) a plastic comb (d) vinegar
26. 26.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) paper bits on a comb (c) a rubbed balloon (d) plug points at home
27. 27.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
28. 28.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) paper bits picked up (c) distance to the paper (d) number of rubs
29. 29.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) a mirror (d) tiny paper bits
30. 30.True or false: a balloon is needed for the static comb. (a) True (b) False
31. 31.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) a mirror (d) a balloon
33. 33.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
34. 34.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) tiny paper bits (c) a pebble (d) a heavy book
35. 35.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) puffed rice (d) a steel spoon
36. 36.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it turns into water (c) it bursts at once (d) it falls straight down
37. 37.True or false: tiny paper bits is needed for the static comb. (a) True (b) False
38. 38.⚖️ 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 measure it (c) we keep it the same
39. 39.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the stream bends (c) the water stops (d) nothing at all
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) paper bits picked up (c) the same comb (d) the same hair

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