Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 637 · 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.⚖️ 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 measure it (c) we keep it the same
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
3. 3.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
4. 4.🧺 Which of these is needed for the static comb? (a) vinegar (b) turmeric powder (c) yeast (d) dry hair
5. 5.🧺 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) a battery cell
6. 6.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) thermocol bits (c) a pebble (d) a brick
7. 7.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it is a magnet (d) it has static charge
8. 8.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we change it (c) we measure it
10. 10.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) a rubbed plastic comb (d) paper bits on a comb
11. 11.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) yeast
12. 12.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) vinegar (c) a balloon (d) a plastic comb
13. 13.⚖️ 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) the same hair (d) distance to the paper
14. 14.🧺 Which of these is needed for the static comb? (a) vinegar (b) tiny paper bits (c) a magnet (d) turmeric powder
15. 15.True or false: a heavy book jumps to a charged comb. (a) True (b) False
16. 16.🔮 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
17. 17.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a balloon (c) tiny paper bits (d) a plastic comb
19. 19.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
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 change it (b) we measure it (c) we keep it the same
21. 21.🔍 Which is the odd one out? (a) thermocol bits (b) a heavy book (c) a steel spoon (d) a pebble
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we measure it (b) we keep it the same (c) we change it
23. 23.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
24. 24.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
25. 25.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
26. 26.⚖️ 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) False (b) True
27. 27.⚡ 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
28. 28.🔍 Which is the odd one out? (a) a brick (b) a steel spoon (c) dry hair (d) a heavy book
29. 29.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it turns into water (b) it bursts at once (c) it sticks for a while (d) it falls straight down
30. 30.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) a heavy book (d) a pebble
31. 31.True or false: a brick jumps to a charged comb. (a) False (b) True
32. 32.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
33. 33.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
34. 34.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) dry hair (d) a pebble
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) dry hair (d) turmeric powder
36. 36.True or false: tiny paper bits jumps to a charged comb. (a) False (b) True
37. 37.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
38. 38.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
39. 39.⚖️ 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 measure it (c) we change it
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True

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