Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 476 · 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 big natural spark is caused by static electricity? (a) a rainbow (b) the wind (c) dew (d) lightning
2. 2.🔮 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
3. 3.🔍 Which is the odd one out? (a) a heavy book (b) puffed rice (c) a steel spoon (d) a brick
4. 4.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) magnetism (c) gravity (d) static electricity
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) number of rubs (b) the same comb (c) the same hair (d) the paper bit size
6. 6.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
7. 7.True or false: vinegar is needed for the static comb. (a) True (b) False
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) paper bits picked up (b) the same comb (c) number of rubs
9. 9.🛟 There is lightning outside. Where is it safest to be? (a) under a tall tree (b) in an open field (c) indoors (d) on a rooftop
10. 10.True or false: a brick jumps to a charged comb. (a) False (b) True
11. 11.🧺 Do we need a battery cell for the static comb? (a) needed (b) not needed
12. 12.⚖️ 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
13. 13.🔍 Which is the odd one out? (a) a brick (b) puffed rice (c) tiny paper bits (d) a thin water stream
14. 14.True or false: a pebble does not move to a charged comb. (a) True (b) False
15. 15.True or false: dry hair jumps to a charged comb. (a) True (b) False
16. 16.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
17. 17.🔍 Which is the odd one out? (a) dry hair (b) a pebble (c) a heavy book (d) a steel spoon
18. 18.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) turmeric powder (d) tiny paper bits
19. 19.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
20. 20.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
21. 21.True or false: a heavy book does not move to a charged comb. (a) True (b) False
22. 22.🛟 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
23. 23.🔍 Which is the odd one out? (a) a brick (b) thermocol bits (c) a steel spoon (d) a heavy book
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) the same hair (b) distance to the paper (c) paper bits picked up (d) number of rubs
25. 25.⚖️ 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) False (b) True
26. 26.⚖️ 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 measure it (c) we change it
27. 27.True or false: a heavy book jumps to a charged comb. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) a brick (b) a pebble (c) tiny paper bits (d) a heavy book
29. 29.True or false: puffed rice does not move to a charged comb. (a) True (b) False
30. 30.⚖️ 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
31. 31.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
32. 32.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) the water freezes (c) the stream bends (d) nothing at all
33. 33.⚖️ 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) True (b) False
34. 34.⚖️ 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
35. 35.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) turmeric powder (b) a plastic comb (c) dry hair (d) a balloon
36. 36.🔍 Which is the odd one out? (a) a heavy book (b) tiny paper bits (c) puffed rice (d) a thin water stream
37. 37.⚖️ 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) the same hair (c) paper bits picked up
38. 38.⚡ Which of these jumps to a charged comb? (a) a brick (b) a pebble (c) thermocol bits (d) a steel spoon
39. 39.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) a battery cell (d) a plastic comb
40. 40.True or false: a magnet is not needed for the static comb. (a) True (b) False

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