Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 108 · 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.True or false: a pebble does not move to a charged comb. (a) True (b) False
2. 2.⚖️ 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
3. 3.🧺 Do we need a balloon for the static comb? (a) not needed (b) needed
4. 4.🧺 Which of these is needed for the static comb? (a) yeast (b) vinegar (c) a balloon (d) turmeric powder
5. 5.True or false: puffed rice does not move to a charged comb. (a) True (b) False
6. 6.🛟 There is lightning outside. Where is it safest to be? (a) in an open field (b) on a rooftop (c) indoors (d) under a tall tree
7. 7.True or false: a steel spoon jumps to a charged comb. (a) False (b) True
8. 8.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “distance to the paper”? (a) we keep it the same (b) we measure it (c) we change it
9. 9.⚡ A rubbed comb is held near tiny paper bits. What happens? (a) does not move (b) jumps to the comb
10. 10.📘 Rubbing moves tiny charges. What do we call the charge that builds up? (a) magnetism (b) static electricity (c) sunlight (d) gravity
11. 11.⚖️ 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 paper bit size (c) paper bits picked up
12. 12.⚡ 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
13. 13.⚡ A rubbed comb is held near a pebble. What happens? (a) jumps to the comb (b) does not move
14. 14.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) a balloon (c) a mirror (d) dry hair
15. 15.⚡ Which of these does not move to a charged comb? (a) thermocol bits (b) a brick (c) tiny paper bits (d) puffed rice
16. 16.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
17. 17.🛟 Static from a comb is safe. Which electricity must children never play with? (a) a rubbed plastic comb (b) plug points at home (c) paper bits on a comb (d) a rubbed balloon
18. 18.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) turmeric powder (d) dry hair
19. 19.⚡ 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
20. 20.⚡ Which of these does not move to a charged comb? (a) a thin water stream (b) a steel spoon (c) dry hair (d) thermocol bits
21. 21.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) False (b) True
22. 22.True or false: dry hair does not move to a charged comb. (a) True (b) False
23. 23.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
24. 24.True or false: a magnet is not needed for the static comb. (a) True (b) False
25. 25.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) vinegar (c) a plastic comb (d) a balloon
26. 26.🔮 Predict: you wet the comb before trying again. What happens? (a) it lights up (b) it becomes a magnet (c) it hardly works (d) it works better
27. 27.True or false: a balloon is not needed for the static comb. (a) False (b) True
28. 28.⚡ A rubbed comb is held near a thin water stream. What happens? (a) jumps to the comb (b) does not move
29. 29.🧺 Do we need tiny paper bits for the static comb? (a) not needed (b) needed
30. 30.🔍 Which is the odd one out? (a) dry hair (b) a heavy book (c) a brick (d) a steel spoon
31. 31.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) dry hair (c) a magnet (d) a balloon
32. 32.🧺 Do we need vinegar for the static comb? (a) needed (b) not needed
33. 33.⚡ Which of these does not move to a charged comb? (a) dry hair (b) a thin water stream (c) puffed rice (d) a heavy book
34. 34.True or false: turmeric powder is needed for the static comb. (a) True (b) False
35. 35.⚡ Which big natural spark is caused by static electricity? (a) lightning (b) the wind (c) a rainbow (d) dew
36. 36.🧺 Do we need a plastic comb for the static comb? (a) not needed (b) needed
37. 37.True or false: tiny paper bits does not move to a charged comb. (a) False (b) True
38. 38.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is the one thing we change? (a) the paper bit size (b) the same hair (c) distance to the paper (d) number of rubs
39. 39.⚖️ 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
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) number of rubs (b) paper bits picked up (c) the same hair (d) distance to the paper

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