Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 242 · 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? Which of these is kept the same? (a) the paper bit size (b) number of rubs (c) paper bits picked up
2. 2.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
3. 3.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
4. 4.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
5. 5.True or false: a mirror is not needed for the static comb. (a) False (b) True
6. 6.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
7. 7.🧺 Which of these is needed for the static comb? (a) yeast (b) a magnet (c) vinegar (d) a plastic comb
8. 8.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) the bits jump to it (c) nothing happens (d) they turn wet
9. 9.⚡ Which of these does not move to a charged comb? (a) dry hair (b) tiny paper bits (c) a thin water stream (d) a brick
10. 10.True or false: dry hair is needed for the static comb. (a) False (b) True
11. 11.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
12. 12.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a steel spoon (d) a brick
13. 13.🔍 Which is the odd one out? (a) puffed rice (b) tiny paper bits (c) a heavy book (d) thermocol bits
14. 14.⚖️ 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
15. 15.⚖️ 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
16. 16.True or false: a balloon is not needed for the static comb. (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) a steel spoon (d) a thin water stream
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a magnet (c) a balloon (d) a plastic comb
19. 19.🧺 Which of these is needed for the static comb? (a) vinegar (b) yeast (c) turmeric powder (d) tiny paper bits
20. 20.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it hardly works (d) it works better
21. 21.True or false: a battery cell is needed for the static comb. (a) False (b) True
22. 22.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
23. 23.🔮 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 water stops (d) the stream bends
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) number of rubs (c) paper bits picked up
25. 25.⚡ 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
26. 26.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) the same hair (c) number of rubs
27. 27.True or false: a heavy book does not move to a charged comb. (a) False (b) True
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a battery cell
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) yeast (c) tiny paper bits (d) a plastic comb
30. 30.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) the same comb (c) paper bits picked up (d) the same hair
32. 32.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) tiny paper bits (d) a heavy book
33. 33.⚖️ 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 hair (b) the same comb (c) number of rubs (d) the paper bit size
34. 34.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) dry hair (d) a pebble
35. 35.🛟 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
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) vinegar (c) a balloon (d) a plastic comb
37. 37.⚖️ 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
38. 38.🔮 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
39. 39.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
40. 40.⚖️ 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

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