Static Electricity Experiment Worksheet

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

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