Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 947 · 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) tiny paper bits (c) a thin water stream (d) a heavy book
2. 2.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) yeast (c) a plastic comb (d) dry hair
3. 3.⚡ Which of these jumps to a charged comb? (a) thermocol bits (b) a heavy book (c) a brick (d) a pebble
4. 4.🔍 Which is the odd one out? (a) a brick (b) tiny paper bits (c) puffed rice (d) dry hair
5. 5.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it works better (c) it lights up (d) it becomes a magnet
6. 6.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
7. 7.⚖️ 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
8. 8.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) vinegar (d) tiny paper bits
9. 9.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) on a rooftop (c) under a tall tree (d) in an open field
10. 10.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) a steel spoon (d) thermocol bits
11. 11.⚖️ 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
12. 12.⚖️ 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
13. 13.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
14. 14.🛟 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
15. 15.🧺 Which of these is needed for the static comb? (a) vinegar (b) a battery cell (c) yeast (d) a balloon
16. 16.⚡ Which of these does not move to a charged comb? (a) a heavy book (b) puffed rice (c) dry hair (d) a thin water stream
17. 17.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) dew (c) lightning (d) the wind
18. 18.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
19. 19.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a brick (d) tiny paper bits
20. 20.True or false: a mirror is needed for the static comb. (a) False (b) True
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) vinegar (c) tiny paper bits (d) dry hair
22. 22.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a mirror (d) a balloon
23. 23.True or false: a balloon is needed for the static comb. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) a steel spoon (d) thermocol bits
25. 25.🧺 Which of these is needed for the static comb? (a) a magnet (b) a mirror (c) turmeric powder (d) tiny paper bits
26. 26.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
27. 27.True or false: a pebble jumps to a charged comb. (a) False (b) True
28. 28.True or false: a battery cell 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? What do we do with “the same hair”? (a) we change it (b) we measure it (c) we keep it the same
30. 30.⚖️ 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 change it (c) we keep it the same
31. 31.⚡ 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
32. 32.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a magnet (c) a plastic comb (d) a balloon
33. 33.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
34. 34.⚖️ 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
35. 35.⚖️ 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) number of rubs (c) paper bits picked up
36. 36.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) yeast (d) dry hair
37. 37.⚡ Which of these does not move to a charged comb? (a) dry hair (b) puffed rice (c) a steel spoon (d) thermocol bits
38. 38.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) a plastic comb (d) a battery cell
39. 39.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) gravity (d) sunlight
40. 40.True or false: dry hair is not needed for the static comb. (a) True (b) False

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