Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 992 · 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.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) indoors (c) under a tall tree (d) on a rooftop
2. 2.⚖️ 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
3. 3.🔍 Which is the odd one out? (a) tiny paper bits (b) dry hair (c) a heavy book (d) thermocol bits
4. 4.⚡ A rubbed comb is held near dry hair. What happens? (a) jumps to the comb (b) does not move
5. 5.🧺 Which of these is needed for the static comb? (a) yeast (b) a mirror (c) a magnet (d) dry hair
6. 6.⚡ Which of these jumps to a charged comb? (a) a pebble (b) dry hair (c) a brick (d) a heavy book
7. 7.⚖️ 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
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) turmeric powder (c) a plastic comb (d) dry hair
9. 9.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) thermocol bits (d) a brick
10. 10.⚖️ 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
11. 11.🛟 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) plug points at home (d) a rubbed balloon
12. 12.⚖️ 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 change it (c) we keep it the same
13. 13.🧺 Which of these is not needed for the static comb? (a) a balloon (b) tiny paper bits (c) a battery cell (d) a plastic comb
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same comb (b) paper bits picked up (c) distance to the paper (d) the paper bit size
15. 15.True or false: a mirror is needed for the static comb. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) tiny paper bits (d) dry hair
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) False (b) True
18. 18.⚖️ 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) the same hair (c) the same comb (d) number of rubs
19. 19.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water freezes (d) the water stops
20. 20.⚖️ 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 change it (c) we measure it
21. 21.🔍 Which is the odd one out? (a) a steel spoon (b) a thin water stream (c) tiny paper bits (d) puffed rice
22. 22.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
23. 23.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) dry hair (c) yeast (d) a plastic comb
24. 24.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a thin water stream (d) a pebble
25. 25.⚖️ 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 hair
26. 26.🔮 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
27. 27.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) a pebble (d) thermocol bits
28. 28.True or false: a steel spoon does not move to a charged comb. (a) True (b) False
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we measure it (b) we change it (c) we keep it the same
30. 30.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it bursts at once (c) it sticks for a while (d) it turns into water
31. 31.⚖️ 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
32. 32.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) a plastic comb (d) tiny paper bits
34. 34.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
35. 35.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) sunlight (d) magnetism
36. 36.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
37. 37.True or false: a balloon is not needed for the static comb. (a) True (b) False
38. 38.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it has static charge (c) it is sticky (d) it is hot
39. 39.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) dry hair (c) a heavy book (d) a thin water stream
40. 40.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a balloon (c) a magnet (d) a plastic comb

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