Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 910 · 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.⚖️ 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
2. 2.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) lightning (c) dew (d) the wind
3. 3.🔮 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
4. 4.🔍 Which is the odd one out? (a) a steel spoon (b) thermocol bits (c) a thin water stream (d) puffed rice
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) the same comb (b) the paper bit size (c) number of rubs (d) distance to the paper
6. 6.⚖️ 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) the same comb (c) number of rubs (d) paper bits picked up
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 change it (b) we keep it the same (c) we measure it
8. 8.True or false: yeast is needed for the static comb. (a) True (b) False
9. 9.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a steel spoon (c) tiny paper bits (d) puffed rice
10. 10.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is the one thing we change. (a) True (b) False
11. 11.True or false: a steel spoon jumps to a charged comb. (a) True (b) False
12. 12.🛟 There is lightning outside. Where is it safest to be? (a) on a rooftop (b) in an open field (c) under a tall tree (d) indoors
13. 13.True or false: vinegar is not needed for the static comb. (a) False (b) True
14. 14.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
15. 15.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) they turn blue (b) nothing happens (c) the bits jump to it (d) they turn wet
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same hair”? (a) we keep it the same (b) we measure it (c) we change it
17. 17.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
18. 18.⚖️ 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
19. 19.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) tiny paper bits (d) a battery cell
20. 20.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
21. 21.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a mirror (b) tiny paper bits (c) a plastic comb (d) dry hair
22. 22.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) tiny paper bits (c) a heavy book (d) dry hair
23. 23.True or false: a brick does not move to a charged comb. (a) True (b) False
24. 24.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
25. 25.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
26. 26.⚡ Which of these jumps to a charged comb? (a) a thin water stream (b) a brick (c) a pebble (d) a heavy book
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we measure it (b) we keep it the same (c) we change it
28. 28.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) dry hair (d) tiny paper bits
29. 29.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) True (b) False
30. 30.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) vinegar
31. 31.⚖️ 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) False (b) True
32. 32.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
33. 33.True or false: a heavy book does not move to a charged comb. (a) False (b) True
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 keep it the same (b) we measure it (c) we change it
35. 35.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
36. 36.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) a brick (d) thermocol bits
37. 37.🔍 Which is the odd one out? (a) a thin water stream (b) a brick (c) puffed rice (d) thermocol bits
38. 38.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a balloon (d) turmeric powder
39. 39.⚖️ 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
40. 40.True or false: a pebble jumps to a charged comb. (a) True (b) False

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