Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 835 · 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.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
2. 2.🧺 Which of these is needed for the static comb? (a) vinegar (b) a battery cell (c) a mirror (d) a balloon
3. 3.🧺 Which of these is not needed for the static comb? (a) a balloon (b) vinegar (c) a plastic comb (d) tiny paper bits
4. 4.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we keep it the same (b) we measure it (c) we change it
5. 5.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) tiny paper bits (c) a brick (d) a thin water stream
6. 6.True or false: a pebble jumps to a charged comb. (a) False (b) True
7. 7.⚖️ 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
8. 8.🛟 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) plug points at home (d) a rubbed balloon
9. 9.⚖️ 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
10. 10.True or false: turmeric powder is not needed for the static comb. (a) False (b) True
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) distance to the paper (c) number of rubs (d) the same hair
12. 12.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) in an open field (c) on a rooftop (d) under a tall tree
13. 13.⚡ Which of these jumps to a charged comb? (a) a brick (b) dry hair (c) a heavy book (d) a pebble
14. 14.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
15. 15.True or false: dry hair does not move to a charged comb. (a) False (b) True
16. 16.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) gravity (b) sunlight (c) magnetism (d) static electricity
17. 17.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a mirror (c) a balloon (d) a plastic comb
18. 18.🧺 Do we need tiny paper bits for the static comb? (a) needed (b) not needed
19. 19.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a thin water stream (c) a brick (d) a steel spoon
20. 20.True or false: dry hair jumps to a charged comb. (a) False (b) True
21. 21.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a brick (c) puffed rice (d) a heavy book
22. 22.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
23. 23.⚖️ 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) paper bits picked up (c) number of rubs
24. 24.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) puffed rice (d) a heavy book
25. 25.🔍 Which is the odd one out? (a) tiny paper bits (b) a brick (c) a steel spoon (d) a heavy book
26. 26.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a battery cell (b) tiny paper bits (c) a plastic comb (d) a balloon
27. 27.True or false: tiny paper bits jumps to a charged comb. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) a thin water stream (d) thermocol bits
29. 29.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a heavy book (c) thermocol bits (d) a steel spoon
30. 30.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) a balloon (c) a plastic comb (d) turmeric powder
31. 31.True or false: vinegar is not needed for the static comb. (a) False (b) True
32. 32.⚖️ 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
33. 33.🧺 Which of these is needed for the static comb? (a) vinegar (b) a mirror (c) a magnet (d) a plastic comb
34. 34.True or false: a balloon is not needed for the static comb. (a) True (b) False
35. 35.⚖️ 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
36. 36.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) the bits jump to it (b) they turn blue (c) nothing happens (d) they turn wet
37. 37.True or false: a magnet is needed for the static comb. (a) False (b) True
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we measure it (b) we change it (c) we keep it the same
39. 39.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
40. 40.🔍 Which is the odd one out? (a) thermocol bits (b) a pebble (c) a heavy book (d) a brick

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