Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 444 · 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.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) tiny paper bits (d) a brick
2. 2.⚖️ 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) distance to the paper (d) the same hair
3. 3.⚖️ 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
4. 4.🧺 Do we need a magnet for the static comb? (a) needed (b) not needed
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is the one thing we change. (a) True (b) False
6. 6.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is sticky (c) it has static charge (d) it is a magnet
7. 7.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) thermocol bits (d) a pebble
8. 8.🧺 Do we need a battery cell for the static comb? (a) not needed (b) needed
9. 9.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it falls straight down (b) it turns into water (c) it bursts at once (d) it sticks for a while
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) False (b) True
11. 11.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a mirror (c) vinegar (d) dry hair
12. 12.True or false: a battery cell is needed for the static comb. (a) False (b) True
13. 13.True or false: a brick does not move to a charged comb. (a) False (b) True
14. 14.🧺 Which of these is needed for the static comb? (a) yeast (b) a battery cell (c) tiny paper bits (d) vinegar
15. 15.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it lights up (c) it hardly works (d) it becomes a magnet
16. 16.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) a plastic comb (d) a battery cell
17. 17.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) the water stops (c) the water freezes (d) nothing at all
18. 18.⚡ Which of these jumps to a charged comb? (a) a brick (b) a thin water stream (c) a heavy book (d) a steel spoon
19. 19.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) on a rooftop (d) indoors
20. 20.⚡ Which of these does not move to a charged comb? (a) a steel spoon (b) a thin water stream (c) dry hair (d) thermocol bits
21. 21.True or false: vinegar is not needed for the static comb. (a) True (b) False
22. 22.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
23. 23.⚖️ 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
24. 24.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
25. 25.⚖️ 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
26. 26.⚖️ 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
27. 27.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) vinegar
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) tiny paper bits (d) a balloon
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a plastic comb (c) a battery cell (d) tiny paper bits
30. 30.True or false: turmeric powder is needed for the static comb. (a) False (b) True
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) distance to the paper (c) the same comb (d) the paper bit size
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) True (b) False
33. 33.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) tiny paper bits (d) a magnet
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) vinegar (c) a plastic comb (d) dry hair
35. 35.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a pebble (d) tiny paper bits
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
37. 37.True or false: a balloon is needed for the static comb. (a) False (b) True
38. 38.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
39. 39.⚡ A rubbed comb is held near a thin water stream. 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? True or false: the same hair is the one thing we change. (a) True (b) False

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