Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 499 · 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.⚡ Why does the rubbed comb pull the paper bits? (a) it is hot (b) it is a magnet (c) it has static charge (d) it is sticky
2. 2.🛟 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
3. 3.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
4. 4.True or false: a thin water stream does not move to a charged comb. (a) True (b) False
5. 5.⚡ A rubbed comb is held near a heavy book. What happens? (a) does not move (b) jumps to the comb
6. 6.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) vinegar (b) a plastic comb (c) tiny paper bits (d) dry hair
7. 7.⚖️ 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 change it (c) we measure it
8. 8.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
9. 9.⚖️ 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 measure it (c) we keep it the same
10. 10.🔍 Which is the odd one out? (a) puffed rice (b) a heavy book (c) thermocol bits (d) tiny paper bits
11. 11.⚡ A rubbed comb is held near a thin water stream. What happens? (a) does not move (b) jumps to the comb
12. 12.⚖️ 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) True (b) False
13. 13.⚖️ 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
14. 14.⚡ A rubbed comb is held near a steel spoon. What happens? (a) jumps to the comb (b) does not move
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) turmeric powder (c) tiny paper bits (d) dry hair
16. 16.True or false: thermocol bits does not move to a charged comb. (a) False (b) True
17. 17.🧺 Do we need yeast for the static comb? (a) not needed (b) needed
18. 18.⚖️ 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
19. 19.⚖️ 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) False (b) True
20. 20.🧺 Which of these is needed for the static comb? (a) vinegar (b) a battery cell (c) a plastic comb (d) a mirror
21. 21.⚖️ 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) distance to the paper
22. 22.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) a rubbed plastic comb (c) plug points at home (d) paper bits on a comb
23. 23.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
24. 24.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
25. 25.🔮 Predict: a charged comb is held near a thin stream of tap water. What happens? (a) the water stops (b) nothing at all (c) the stream bends (d) the water freezes
26. 26.⚖️ 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
27. 27.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
28. 28.🧺 Do we need dry hair for the static comb? (a) needed (b) not needed
29. 29.True or false: turmeric powder is needed for the static comb. (a) True (b) False
30. 30.⚡ Which of these does not move to a charged comb? (a) tiny paper bits (b) a heavy book (c) dry hair (d) thermocol bits
31. 31.⚡ Which of these jumps to a charged comb? (a) a heavy book (b) a steel spoon (c) a pebble (d) thermocol bits
32. 32.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) False (b) True
33. 33.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a mirror (d) tiny paper bits
34. 34.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) yeast (b) dry hair (c) tiny paper bits (d) a plastic comb
35. 35.True or false: a brick jumps to a charged comb. (a) False (b) True
36. 36.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it works better (c) it becomes a magnet (d) it hardly works
37. 37.⚖️ 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) the same comb
38. 38.🧺 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) dry hair
39. 39.⚡ Which big natural spark is caused by static electricity? (a) a rainbow (b) lightning (c) dew (d) the wind
40. 40.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) tiny paper bits (c) a plastic comb (d) a magnet

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