Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 248 · 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.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) a rubbed balloon (c) plug points at home (d) paper bits on a comb
2. 2.⚡ Which of these jumps to a charged comb? (a) a pebble (b) thermocol bits (c) a brick (d) a heavy book
3. 3.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a magnet (c) tiny paper bits (d) dry hair
4. 4.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a mirror (d) a balloon
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the paper bit size is what we measure. (a) False (b) True
6. 6.⚖️ 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) True (b) False
7. 7.🧺 Which of these is not needed for the static comb? (a) dry hair (b) tiny paper bits (c) a plastic comb (d) turmeric powder
8. 8.True or false: a balloon is not needed for the static comb. (a) False (b) True
9. 9.🛟 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
10. 10.⚖️ 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 change it (c) we measure it
11. 11.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the paper bit size”? (a) we keep it the same (b) we measure it (c) we change it
12. 12.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we change it (c) we measure it
13. 13.True or false: a battery cell is not needed for the static comb. (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) a pebble (b) dry hair (c) puffed rice (d) tiny paper bits
15. 15.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) paper bits picked up (b) number of rubs (c) the paper bit size (d) the same comb
16. 16.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
17. 17.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
18. 18.🧺 Which of these is needed for the static comb? (a) vinegar (b) a magnet (c) a plastic comb (d) turmeric powder
19. 19.🔮 Predict: you wet the comb before trying again. What happens? (a) it hardly works (b) it becomes a magnet (c) it lights up (d) it works better
20. 20.🔍 Which is the odd one out? (a) a heavy book (b) a steel spoon (c) a thin water stream (d) a pebble
21. 21.🔍 Which is the odd one out? (a) dry hair (b) tiny paper bits (c) a heavy book (d) a thin water stream
22. 22.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a brick (d) thermocol bits
23. 23.⚖️ 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
24. 24.⚡ Why does the comb trick work best on a dry day? (a) water adds charge (b) damp air leaks charge (c) dry days are noisy (d) wet hair is magnetic
25. 25.⚖️ 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 hair
26. 26.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
27. 27.🧺 Which of these is not needed for the static comb? (a) a balloon (b) dry hair (c) yeast (d) tiny paper bits
28. 28.🧺 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) vinegar
29. 29.🧺 Which of these is needed for the static comb? (a) a mirror (b) a battery cell (c) a magnet (d) a balloon
30. 30.True or false: a magnet is not needed for the static comb. (a) True (b) False
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the paper bit size (b) paper bits picked up (c) distance to the paper (d) number of rubs
33. 33.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) sunlight (c) gravity (d) static electricity
34. 34.True or false: a mirror is not needed for the static comb. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) a thin water stream (b) dry hair (c) a brick (d) thermocol bits
36. 36.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a brick (c) a thin water stream (d) a steel spoon
37. 37.True or false: dry hair is needed for the static comb. (a) True (b) False
38. 38.⚖️ 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
39. 39.⚖️ 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 measure it (c) we keep it the same
40. 40.True or false: tiny paper bits is needed for the static comb. (a) True (b) False

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