Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 855 · 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 of these is not needed for the static comb? (a) a plastic comb (b) yeast (c) tiny paper bits (d) dry hair
2. 2.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) in an open field (d) under a tall tree
3. 3.⚖️ 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
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) yeast (c) a plastic comb (d) tiny paper bits
5. 5.⚖️ 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 keep it the same (c) we change it
6. 6.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we change it (b) we keep it the same (c) we measure it
7. 7.⚖️ 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
8. 8.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) thermocol bits (d) a thin water stream
9. 9.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is the one thing we change. (a) True (b) False
12. 12.⚖️ 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 same comb (c) paper bits picked up (d) distance to the paper
13. 13.⚖️ 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
14. 14.⚡ Why does the comb trick work best on a dry day? (a) damp air leaks charge (b) water adds charge (c) wet hair is magnetic (d) dry days are noisy
15. 15.⚡ Which of these jumps to a charged comb? (a) a brick (b) a thin water stream (c) a pebble (d) a heavy book
16. 16.True or false: a plastic comb is needed for the static comb. (a) True (b) False
17. 17.🛟 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
18. 18.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
19. 19.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
20. 20.⚖️ 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
21. 21.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) dry hair (d) a heavy book
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a plastic comb (c) vinegar (d) tiny paper bits
23. 23.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a pebble (c) a heavy book (d) a brick
24. 24.True or false: turmeric powder is not needed for the static comb. (a) True (b) False
25. 25.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
26. 26.True or false: a heavy book does not move to a charged comb. (a) False (b) True
27. 27.True or false: puffed rice does not move to a charged comb. (a) False (b) True
28. 28.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) they turn wet (c) the bits jump to it (d) nothing happens
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is the one thing we change. (a) True (b) False
30. 30.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it bursts at once (c) it falls straight down (d) it turns into water
31. 31.True or false: puffed rice jumps to a charged comb. (a) True (b) False
32. 32.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) magnetism (c) sunlight (d) static electricity
33. 33.True or false: dry hair is not needed for the static comb. (a) False (b) True
34. 34.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same hair (b) paper bits picked up (c) number of rubs
35. 35.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
36. 36.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) a rainbow (c) the wind (d) dew
37. 37.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it has static charge (d) it is hot
38. 38.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
39. 39.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we measure it (b) we change it (c) we keep it the same
40. 40.⚖️ 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 change it (c) we keep it the same

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