Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 828 · 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.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
2. 2.🔍 Which is the odd one out? (a) a thin water stream (b) tiny paper bits (c) thermocol bits (d) a pebble
3. 3.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) on a rooftop (c) in an open field (d) indoors
4. 4.⚡ A rubbed comb is held near a brick. What happens? (a) jumps to the comb (b) does not move
5. 5.True or false: a plastic comb is not needed for the static comb. (a) True (b) False
6. 6.True or false: a balloon is needed for the static comb. (a) True (b) False
7. 7.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
8. 8.True or false: dry hair does not move to a charged comb. (a) False (b) True
9. 9.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a thin water stream (c) a heavy book (d) puffed rice
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
12. 12.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
13. 13.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) a magnet (d) a plastic comb
14. 14.True or false: a plastic comb is needed for the static comb. (a) False (b) True
15. 15.🧺 Which of these is not needed for the static comb? (a) turmeric powder (b) tiny paper bits (c) dry hair (d) a balloon
16. 16.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a magnet (c) tiny paper bits (d) a plastic comb
17. 17.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
18. 18.⚖️ 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
19. 19.True or false: a mirror is needed for the static comb. (a) False (b) True
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) False (b) True
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
22. 22.🧺 Do we need dry hair for the static comb? (a) not needed (b) needed
23. 23.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
24. 24.⚡ Which of these does not move to a charged comb? (a) puffed rice (b) a steel spoon (c) thermocol bits (d) dry hair
25. 25.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) paper bits on a comb (c) a rubbed plastic comb (d) a rubbed balloon
26. 26.⚖️ 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
27. 27.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) dry hair (d) a brick
28. 28.🔮 Predict: you wet the comb before trying again. What happens? (a) it works better (b) it hardly works (c) it becomes a magnet (d) it lights up
29. 29.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) static electricity (b) gravity (c) sunlight (d) magnetism
30. 30.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) paper bits picked up (c) the same comb
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) distance to the paper (b) paper bits picked up (c) the paper bit size (d) the same comb
33. 33.⚡ Which of these jumps to a charged comb? (a) tiny paper bits (b) a brick (c) a heavy book (d) a steel spoon
34. 34.⚖️ 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 keep it the same (c) we measure it
35. 35.🔍 Which is the odd one out? (a) tiny paper bits (b) puffed rice (c) a heavy book (d) dry hair
36. 36.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a mirror (c) tiny paper bits (d) a plastic comb
37. 37.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a brick (c) thermocol bits (d) a heavy book
38. 38.True or false: a magnet is needed for the static comb. (a) False (b) True
39. 39.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a balloon (d) a battery cell
40. 40.⚡ Which of these jumps to a charged comb? (a) puffed rice (b) a pebble (c) a heavy book (d) a steel spoon

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