Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 848 · 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 mirror (b) tiny paper bits (c) a balloon (d) a plastic comb
2. 2.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is kept the same. (a) True (b) False
3. 3.⚖️ 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) False (b) True
4. 4.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
5. 5.⚡ Which big natural spark is caused by static electricity? (a) the wind (b) dew (c) a rainbow (d) lightning
6. 6.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) a balloon (d) a magnet
7. 7.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) distance to the paper (b) the paper bit size (c) number of rubs (d) the same comb
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we change it (b) we measure it (c) we keep it the same
9. 9.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) a steel spoon (d) a heavy book
10. 10.🧺 Which of these is needed for the static comb? (a) yeast (b) a plastic comb (c) turmeric powder (d) a magnet
11. 11.True or false: puffed rice does not move to a charged comb. (a) False (b) True
12. 12.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
13. 13.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
14. 14.⚖️ 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) False (b) True
15. 15.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) dry hair (d) yeast
16. 16.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) gravity (d) magnetism
17. 17.True or false: a heavy book does not move to a charged comb. (a) False (b) True
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 keep it the same (b) we measure it (c) we change it
19. 19.⚡ 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
20. 20.🔍 Which is the odd one out? (a) a pebble (b) a brick (c) dry hair (d) a steel spoon
21. 21.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
22. 22.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
23. 23.⚖️ 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
24. 24.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
25. 25.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
26. 26.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) a rubbed plastic comb (d) paper bits on a comb
27. 27.⚖️ 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) distance to the paper (c) number of rubs
28. 28.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) tiny paper bits (c) a balloon (d) a plastic comb
29. 29.⚡ A rubbed comb is held near a steel spoon. What happens? (a) does not move (b) jumps to the comb
30. 30.True or false: a pebble does not move to a charged comb. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) a thin water stream (b) a pebble (c) thermocol bits (d) puffed rice
32. 32.True or false: a mirror is not needed for the static comb. (a) False (b) True
33. 33.🧺 Which of these is not needed for the static comb? (a) a battery cell (b) a balloon (c) a plastic comb (d) dry hair
34. 34.True or false: yeast is not needed for the static comb. (a) False (b) True
35. 35.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
36. 36.⚖️ 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
37. 37.🔮 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 stream bends (d) the water stops
38. 38.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) turmeric powder (c) a plastic comb (d) a balloon
39. 39.🧺 Do we need yeast for the static comb? (a) needed (b) not needed
40. 40.True or false: dry hair does not move to a charged comb. (a) True (b) False

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