Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 538 · 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) puffed rice (b) a heavy book (c) a pebble (d) a steel spoon
2. 2.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a thin water stream (d) a brick
3. 3.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
4. 4.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) magnetism (c) sunlight (d) gravity
5. 5.True or false: yeast is not needed for the static comb. (a) True (b) False
6. 6.True or false: a magnet is not needed for the static comb. (a) True (b) False
7. 7.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) a steel spoon (d) a thin water stream
8. 8.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
9. 9.True or false: turmeric powder is needed for the static comb. (a) True (b) False
10. 10.⚖️ 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
11. 11.True or false: a magnet is needed for the static comb. (a) True (b) False
12. 12.🔮 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 turns into water (d) it bursts at once
13. 13.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) a plastic comb (c) vinegar (d) a magnet
14. 14.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
15. 15.True or false: a heavy book jumps to a charged comb. (a) True (b) False
16. 16.⚖️ 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
17. 17.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) a balloon (d) tiny paper bits
18. 18.⚖️ 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
19. 19.True or false: puffed rice does not move to a charged comb. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) tiny paper bits (b) a thin water stream (c) a brick (d) puffed rice
21. 21.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) tiny paper bits (d) a thin water stream
22. 22.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) puffed rice (d) a brick
23. 23.⚖️ 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) the paper bit size (c) paper bits picked up (d) number of rubs
24. 24.⚖️ 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) paper bits picked up (c) the same hair (d) the same comb
25. 25.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning
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 measure it (b) we change it (c) we keep it the same
27. 27.⚖️ 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) False (b) True
28. 28.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
29. 29.🧺 Which of these is not needed for the static comb? (a) a balloon (b) yeast (c) dry hair (d) tiny paper bits
30. 30.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) a pebble (b) a heavy book (c) tiny paper bits (d) a steel spoon
32. 32.⚖️ 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 paper bit size (c) number of rubs
33. 33.🔮 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
34. 34.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
35. 35.⚖️ 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) paper bits picked up (c) number of rubs
36. 36.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it is a magnet (c) it is hot (d) it has static charge
37. 37.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) under a tall tree (c) in an open field (d) indoors
38. 38.⚖️ 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 change it (c) we keep it the same
39. 39.True or false: a mirror is needed for the static comb. (a) False (b) True
40. 40.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it becomes a magnet (c) it lights up (d) it hardly works

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