Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 279 · 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) lightning (d) dew
2. 2.⚡ Why does the rubbed comb pull the paper bits? (a) it is a magnet (b) it is hot (c) it has static charge (d) it is sticky
3. 3.⚖️ 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) distance to the paper (c) the same comb (d) the same hair
4. 4.True or false: dry hair does not move to a charged comb. (a) True (b) False
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: paper bits picked up is what we measure. (a) True (b) False
6. 6.⚖️ 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
7. 7.⚡ Which of these jumps to a charged comb? (a) dry hair (b) a heavy book (c) a brick (d) a pebble
8. 8.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) dry hair (b) tiny paper bits (c) a magnet (d) a plastic comb
9. 9.🔍 Which is the odd one out? (a) a steel spoon (b) a heavy book (c) a pebble (d) dry hair
10. 10.⚖️ 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
11. 11.⚡ A rubbed comb is held near a pebble. What happens? (a) does not move (b) jumps to the comb
12. 12.🔍 Which is the odd one out? (a) a steel spoon (b) a brick (c) tiny paper bits (d) a pebble
13. 13.True or false: tiny paper bits is needed for the static comb. (a) False (b) True
14. 14.🧺 Do we need a mirror for the static comb? (a) not needed (b) needed
15. 15.⚖️ 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) distance to the paper (c) number of rubs
16. 16.True or false: a magnet is not needed for the static comb. (a) False (b) True
17. 17.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
18. 18.🧺 Which of these is not needed for the static comb? (a) a balloon (b) turmeric powder (c) dry hair (d) a plastic comb
19. 19.True or false: vinegar 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? Which of these is kept the same? (a) number of rubs (b) the same hair (c) paper bits picked up
21. 21.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) they turn blue (c) the bits jump to it (d) they turn wet
22. 22.🧺 Which of these is needed for the static comb? (a) tiny paper bits (b) yeast (c) a mirror (d) turmeric powder
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is the one thing we change. (a) False (b) True
24. 24.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) tiny paper bits (c) dry hair (d) a plastic comb
25. 25.🧺 Do we need a balloon for the static comb? (a) needed (b) not needed
26. 26.True or false: a heavy book does not move to a charged comb. (a) True (b) False
27. 27.⚖️ 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 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) tiny paper bits (b) a plastic comb (c) vinegar (d) dry hair
29. 29.⚖️ 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
30. 30.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
31. 31.⚖️ 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
32. 32.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it hardly works (c) it lights up (d) it works better
33. 33.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) nothing at all (b) the stream bends (c) the water freezes (d) the water stops
34. 34.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
35. 35.True or false: a battery cell is needed for the static comb. (a) False (b) True
36. 36.🧺 Do we need turmeric powder for the static comb? (a) not needed (b) needed
37. 37.True or false: a pebble does not move to a charged comb. (a) False (b) True
38. 38.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) vinegar (c) a balloon (d) a plastic comb
39. 39.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) tiny paper bits (c) a heavy book (d) a brick
40. 40.⚖️ 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

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