Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 408 · 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 a battery cell for the static comb? (a) needed (b) not needed
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we change it (c) we measure it
3. 3.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) a battery cell (d) dry hair
4. 4.True or false: dry hair is needed for the static comb. (a) True (b) False
5. 5.⚡ 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
6. 6.⚖️ 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 measure it (c) we keep it the same
7. 7.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a brick (d) thermocol bits
8. 8.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the stream bends (b) nothing at all (c) the water freezes (d) the water stops
9. 9.⚖️ 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) number of rubs (c) the paper bit size
10. 10.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) yeast (d) a balloon
11. 11.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) a pebble (d) a brick
12. 12.⚖️ 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 comb (c) number of rubs
13. 13.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
14. 14.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
15. 15.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
16. 16.True or false: a thin water stream jumps to a charged comb. (a) False (b) True
17. 17.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) tiny paper bits (c) a plastic comb (d) dry hair
18. 18.⚖️ 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) the paper bit size (c) number of rubs (d) distance to the paper
19. 19.⚡ A rubbed comb is held near puffed rice. What happens? (a) does not move (b) jumps to the comb
20. 20.⚡ A rubbed comb is held near thermocol bits. What happens? (a) jumps to the comb (b) does not move
21. 21.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) thermocol bits (d) a steel spoon
22. 22.🔍 Which is the odd one out? (a) tiny paper bits (b) thermocol bits (c) a heavy book (d) a thin water stream
23. 23.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
24. 24.⚖️ 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) distance to the paper (d) the same comb
25. 25.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a battery cell (c) tiny paper bits (d) a balloon
27. 27.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) dry hair (c) a pebble (d) a brick
28. 28.🧺 Which of these is needed for the static comb? (a) yeast (b) a plastic comb (c) a mirror (d) a battery cell
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) vinegar
30. 30.True or false: yeast is needed for the static comb. (a) True (b) False
31. 31.🔮 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
32. 32.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a pebble (c) tiny paper bits (d) a brick
33. 33.⚖️ 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
34. 34.True or false: vinegar is not needed for the static comb. (a) False (b) True
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) turmeric powder (d) dry hair
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a balloon (c) a plastic comb (d) dry hair
37. 37.True or false: a mirror is needed for the static comb. (a) False (b) True
38. 38.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) a rainbow (d) the wind
39. 39.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a mirror (d) tiny paper bits
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is what we measure. (a) False (b) True

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