Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 519 · 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 of these is needed for the static comb? (a) tiny paper bits (b) a magnet (c) turmeric powder (d) a battery cell
2. 2.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) a balloon (c) vinegar (d) dry hair
3. 3.⚡ A rubbed comb is held near thermocol bits. What happens? (a) does not move (b) jumps to the comb
4. 4.⚖️ 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 hair (d) the paper bit size
5. 5.🧺 Which of these is not needed for the static comb? (a) tiny paper bits (b) a balloon (c) yeast (d) a plastic comb
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) under a tall tree (c) indoors (d) on a rooftop
7. 7.True or false: a thin water stream does not move to a charged comb. (a) False (b) True
8. 8.⚖️ 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) True (b) False
9. 9.🧺 Which of these is needed for the static comb? (a) a plastic comb (b) turmeric powder (c) vinegar (d) a mirror
10. 10.⚖️ 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
11. 11.True or false: tiny paper bits does not move to a charged comb. (a) True (b) False
12. 12.True or false: a brick jumps to a charged comb. (a) True (b) False
13. 13.True or false: thermocol bits does not move to a charged comb. (a) True (b) False
14. 14.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is what we measure. (a) True (b) False
15. 15.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) jumps to the comb (b) does not move
16. 16.🧺 Do we need a mirror for the static comb? (a) needed (b) not needed
17. 17.🧺 Do we need a plastic comb for the static comb? (a) needed (b) not needed
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) tiny paper bits (d) a mirror
19. 19.True or false: a steel spoon does not move to a charged comb. (a) False (b) True
20. 20.🧺 Which of these is needed for the static comb? (a) turmeric powder (b) dry hair (c) a battery cell (d) vinegar
21. 21.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a plastic comb (c) a balloon (d) a mirror
22. 22.⚡ Why does the rubbed comb pull the paper bits? (a) it is sticky (b) it has static charge (c) it is a magnet (d) it is hot
23. 23.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) distance to the paper (b) number of rubs (c) paper bits picked up
24. 24.⚖️ 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
25. 25.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
26. 26.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) a rainbow (d) dew
27. 27.True or false: thermocol bits jumps to a charged comb. (a) True (b) False
28. 28.⚡ Which of these does not move to a charged comb? (a) a pebble (b) tiny paper bits (c) thermocol bits (d) dry hair
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) dry hair (c) a magnet (d) a plastic comb
30. 30.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is kept the same. (a) True (b) False
31. 31.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) sunlight (b) static electricity (c) magnetism (d) gravity
32. 32.⚖️ 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
33. 33.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
34. 34.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed balloon (b) plug points at home (c) paper bits on a comb (d) a rubbed plastic comb
35. 35.True or false: puffed rice does not move to a charged comb. (a) False (b) True
36. 36.⚖️ 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
37. 37.🧺 Do we need vinegar for the static comb? (a) not needed (b) needed
38. 38.True or false: tiny paper bits is not needed for the static comb. (a) True (b) False
39. 39.🔮 Predict: you wet the comb before trying again. What happens? (a) it becomes a magnet (b) it lights up (c) it works better (d) it hardly works
40. 40.🧺 Which of these is needed for the static comb? (a) a balloon (b) yeast (c) a magnet (d) vinegar

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