Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 849 · 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.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
2. 2.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
3. 3.True or false: dry hair is needed for the static comb. (a) False (b) True
4. 4.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a pebble (c) puffed rice (d) a thin water stream
5. 5.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it lights up (c) it becomes a magnet (d) it works better
6. 6.⚖️ 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) True (b) False
7. 7.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) magnetism (d) sunlight
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) dry hair (c) tiny paper bits (d) a balloon
9. 9.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) the same comb (b) number of rubs (c) paper bits picked up
10. 10.True or false: a magnet is needed for the static comb. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) a pebble (b) tiny paper bits (c) a brick (d) a heavy book
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) yeast (c) dry hair (d) tiny paper bits
13. 13.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) tiny paper bits (c) a heavy book (d) thermocol bits
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: the paper bit size is kept the same. (a) False (b) True
16. 16.True or false: a pebble does not move to a charged comb. (a) True (b) False
17. 17.⚖️ 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
18. 18.🧺 Which of these is needed for the static comb? (a) a battery cell (b) a mirror (c) dry hair (d) a magnet
19. 19.🛟 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) a rubbed balloon (d) plug points at home
20. 20.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
21. 21.⚖️ 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 same hair (c) the same comb (d) number of rubs
22. 22.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) dry hair (d) tiny paper bits
23. 23.⚖️ 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 keep it the same (c) we measure it
24. 24.🔍 Which is the odd one out? (a) a thin water stream (b) thermocol bits (c) dry hair (d) a pebble
25. 25.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) dry hair (c) tiny paper bits (d) a steel spoon
26. 26.True or false: a heavy book does not move to a charged comb. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a heavy book (d) thermocol bits
28. 28.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water freezes (b) the water stops (c) the stream bends (d) nothing at all
29. 29.🧺 Which of these is needed for the static comb? (a) a mirror (b) yeast (c) a plastic comb (d) a magnet
30. 30.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a plastic comb (c) a magnet (d) a balloon
31. 31.⚖️ 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
32. 32.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) dry hair (c) tiny paper bits (d) a plastic comb
34. 34.⚡ Which big natural spark is caused by static electricity? (a) dew (b) lightning (c) a rainbow (d) the wind
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we keep it the same (c) we measure it
36. 36.⚖️ 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) False (b) True
37. 37.⚖️ 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) number of rubs (d) the same hair
38. 38.⚡ Which of these jumps to a charged comb? (a) a brick (b) thermocol bits (c) a pebble (d) a heavy book
39. 39.⚡ Which of these does not move to a charged comb? (a) dry hair (b) thermocol bits (c) tiny paper bits (d) a brick
40. 40.🧺 Do we need yeast for the static comb? (a) not needed (b) needed

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